diff --git a/LUFA/Common/Architectures.h b/LUFA/Common/Architectures.h
index 3aa7a58d220d460a4ceb98d8c6ae2ca26ec8c00c..85f0d39bdd5472fd6b758ac4ba14481facd783c5 100644
--- a/LUFA/Common/Architectures.h
+++ b/LUFA/Common/Architectures.h
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief Supported architecture defines.
+ *  \brief Supported library architecture defines.
  *
  *  \copydetails Group_Architectures
  *
@@ -39,10 +39,14 @@
 
 /** \ingroup Group_Common
  *  \defgroup Group_Architectures Hardware Architectures
- *  \brief Supported architecture defines.
+ *  \brief Supported library architecture defines.
  *
- *  Macros for indicating the chosen hardware architecture to the library. These macros should be used when
- *  defining the ARCH token to the chosen hardware via the -D switch in the project makefile.
+ *  Architecture macros for selecting the desired target microcontroller architecture. One of these values should be
+ *  defined as the value of \c ARCH in the user project makefile via the \c -D compiler switch to GCC, to select the
+ *  target architecture.
+ *
+ *  The selected architecture should remain consistent with the makefile \c ARCH value, which is used to select the
+ *  underlying driver source files for each architecture.
  *
  *  @{
  */
diff --git a/LUFA/Common/Attributes.h b/LUFA/Common/Attributes.h
index 1cedaa98c4b96001ccc00d0c509127674a7a19ab..ad6882769d8b52f136e4e4e68d0e26df034538c0 100644
--- a/LUFA/Common/Attributes.h
+++ b/LUFA/Common/Attributes.h
@@ -41,13 +41,13 @@
  *  \defgroup Group_GCCAttributes Function/Variable Attributes
  *  \brief AVR-GCC special function/variable attribute macros.
  *
- *  This file contains macros for applying GCC specific attributes to functions and variables to control various
+ *  This module contains macros for applying GCC specific attributes to functions and variables to control various
  *  optimiser and code generation features of the compiler. Attributes may be placed in the function prototype
  *  or variable declaration in any order, and multiple attributes can be specified for a single item via a space
  *  separated list.
  *
  *  On incompatible versions of GCC or on other compilers, these macros evaluate to nothing unless they are
- *  critical to the code's function and thus must throw a compiler error when used.
+ *  critical to the code's function and thus must throw a compile error when used.
  *
  *  @{
  */
diff --git a/LUFA/Common/BoardTypes.h b/LUFA/Common/BoardTypes.h
index 9077e56f957c978d52bd909a4ac971887164cdbb..41dc490e1427d3dfd2b7413b0e7eb1b9842aebe1 100644
--- a/LUFA/Common/BoardTypes.h
+++ b/LUFA/Common/BoardTypes.h
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief Supported board hardware defines.
+ *  \brief Supported pre-made board hardware defines.
  *
  *  \copydetails Group_BoardTypes
  *
@@ -39,10 +39,11 @@
 
 /** \ingroup Group_Common
  *  \defgroup Group_BoardTypes Board Types
- *  \brief Supported board hardware defines.
+ *  \brief Supported pre-made board hardware defines.
  *
- *  Macros for indicating the chosen physical board hardware to the library. These macros should be used when
- *  defining the BOARD token to the chosen hardware via the -D switch in the project makefile.
+ *  Board macros for indicating the chosen physical board hardware to the library. These macros should be used when
+ *  defining the \c BOARD token to the chosen hardware via the \c -D switch in the project makefile. If a custom
+ *  board is used, the \ref BOARD_NONE or \ref BOARD_USER values should be selected.
  *
  *  @{
  */
diff --git a/LUFA/Common/Common.h b/LUFA/Common/Common.h
index 62aee31dfa75180bdf30599a4c6ba1e20f426c71..57bebeda4785b90cb870d18c9b572a7e49541a8a 100644
--- a/LUFA/Common/Common.h
+++ b/LUFA/Common/Common.h
@@ -29,13 +29,13 @@
 */
 
 /** \file
- *  \brief Common library convenience macros and functions.
+ *  \brief Common library convenience headers, macros and functions.
  *
  *  \copydetails Group_Common
  */
 
 /** \defgroup Group_Common Common Utility Headers - LUFA/Drivers/Common/Common.h
- *  \brief Common library convenience macros and functions.
+ *  \brief Common library convenience headers, macros and functions.
  *
  *  Common utility headers containing macros, functions, enums and types which are common to all
  *  aspects of the library.
@@ -44,13 +44,15 @@
  */
 
 /** \defgroup Group_Debugging Debugging Macros
+ *  \brief Convenience macros to aid in debugging applications.
  *
- *  Macros for debugging use.
+ *  Macros to aid debugging of a user application.
  */
 
 /** \defgroup Group_BitManip Endian and Bit Macros
+ *  \brief Convenience macros to aid in bit manipulations and endianness transforms.
  *
- *  Functions for swapping endianness and reversing bit orders.
+ *  Functions for swapping endianness and reversing bit orders of data.
  */
 
 #ifndef __LUFA_COMMON_H__
diff --git a/LUFA/Drivers/Board/Buttons.h b/LUFA/Drivers/Board/Buttons.h
index 686fe5ad9927d6b3a9313c093317814985a45c7c..624ce24369dd3e76c2a442e2d246850d15437286 100644
--- a/LUFA/Drivers/Board/Buttons.h
+++ b/LUFA/Drivers/Board/Buttons.h
@@ -29,10 +29,10 @@
 */
 
 /** \file
- *  \brief Master include file for the board digital button driver.
+ *  \brief Digital button board hardware driver.
  *
  *  This file is the master dispatch header file for the board-specific Buttons driver, for boards containing
- *  physical pushbuttons connected to the AVR's GPIO pins.
+ *  physical pushbuttons connected to the microcontroller's GPIO pins.
  *
  *  User code should include this file, which will in turn include the correct Button driver header file for the
  *  currently selected board.
@@ -45,6 +45,7 @@
 
 /** \ingroup Group_BoardDrivers
  *  \defgroup Group_Buttons Buttons Driver - LUFA/Drivers/Board/Buttons.h
+ *  \brief Digital button board hardware driver.
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
diff --git a/LUFA/Drivers/Board/Dataflash.h b/LUFA/Drivers/Board/Dataflash.h
index 06c1e62ac7883b62285a20fea863695118056a7b..0158e02003b2facb0527bca36fd92d7b5b2abe90 100644
--- a/LUFA/Drivers/Board/Dataflash.h
+++ b/LUFA/Drivers/Board/Dataflash.h
@@ -30,9 +30,10 @@
 
 /** \file
  *  \brief Master include file for the board dataflash IC driver.
+ *  \brief Atmel Dataflash storage IC board hardware driver.
  *
- *  This file is the master dispatch header file for the board-specific dataflash driver, for boards containing
- *  dataflash ICs for external non-volatile storage.
+ *  This file is the master dispatch header file for the board-specific Atmel dataflash driver, for boards containing
+ *  Atmel Dataflash ICs for external non-volatile storage.
  *
  *  User code should include this file, which will in turn include the correct dataflash driver header file for
  *  the currently selected board.
@@ -45,6 +46,7 @@
 
 /** \ingroup Group_BoardDrivers
  *  \defgroup Group_Dataflash Dataflash Driver - LUFA/Drivers/Board/Dataflash.h
+ *  \brief Atmel Dataflash storage IC board hardware driver.
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
diff --git a/LUFA/Drivers/Board/Joystick.h b/LUFA/Drivers/Board/Joystick.h
index a9448ffb7cdd1ea2f6a8b9f081ed57c351c46f6b..21e5e922de534be373e710403d2aa08368745f7d 100644
--- a/LUFA/Drivers/Board/Joystick.h
+++ b/LUFA/Drivers/Board/Joystick.h
@@ -29,10 +29,10 @@
 */
 
 /** \file
- *  \brief Master include file for the board digital joystick driver.
+ *  \brief Digital joystick board hardware driver.
  *
  *  This file is the master dispatch header file for the board-specific Joystick driver, for boards containing a
- *  5-way joystick.
+ *  digital joystick.
  *
  *  User code should include this file, which will in turn include the correct joystick driver header file for the
  *  currently selected board.
@@ -45,6 +45,7 @@
 
 /** \ingroup Group_BoardDrivers
  *  \defgroup Group_Joystick Joystick Driver - LUFA/Drivers/Board/Joystick.h
+ *  \brief Digital joystick board hardware driver.
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
diff --git a/LUFA/Drivers/Board/LEDs.h b/LUFA/Drivers/Board/LEDs.h
index 9ef2ea1958326dbf97f42a083ae977d4da7ff661..2a74de72e1f07be4d26ced1a97459df57c92c7ea 100644
--- a/LUFA/Drivers/Board/LEDs.h
+++ b/LUFA/Drivers/Board/LEDs.h
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief Master include file for the board LEDs driver.
+ *  \brief LED board hardware driver.
  *
  *  This file is the master dispatch header file for the board-specific LED driver, for boards containing user
  *  controllable LEDs.
@@ -45,6 +45,7 @@
 
 /** \ingroup Group_BoardDrivers
  *  \defgroup Group_LEDs LEDs Driver - LUFA/Drivers/Board/LEDs.h
+ *  \brief LED board hardware driver.
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
diff --git a/LUFA/Drivers/Board/Temperature.h b/LUFA/Drivers/Board/Temperature.h
index f7a2b6d879a9e25a0eee572207617645d072bcda..e9f310e53d5bffd24b69200aaabdc8256c359f4d 100644
--- a/LUFA/Drivers/Board/Temperature.h
+++ b/LUFA/Drivers/Board/Temperature.h
@@ -29,13 +29,14 @@
 */
 
 /** \file
- *  \brief Master include file for the board temperature sensor driver.
+ *  \brief NTC Temperature Sensor board hardware driver.
  *
  *  Master include file for the board temperature sensor driver, for the USB boards which contain a temperature sensor.
  */
 
 /** \ingroup Group_BoardDrivers
  *  \defgroup Group_Temperature Temperature Sensor Driver - LUFA/Drivers/Board/Temperature.h
+ *  \brief NTC Temperature Sensor board hardware driver.
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
diff --git a/LUFA/Drivers/Misc/RingBuffer.h b/LUFA/Drivers/Misc/RingBuffer.h
index ea82651fd6c1550aaca4fc2de545f939dd9b6d36..1a825ac23513eb65d52896a3a805adb29d920617 100644
--- a/LUFA/Drivers/Misc/RingBuffer.h
+++ b/LUFA/Drivers/Misc/RingBuffer.h
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief Lightweight ring buffer, for fast insertion/deletion.
+ *  \brief Lightweight ring buffer, for fast insertion/deletion of bytes.
  *
  *  Lightweight ring buffer, for fast insertion/deletion. Multiple buffers can be created of
  *  different sizes to suit different needs.
@@ -42,6 +42,7 @@
  
 /** \ingroup Group_MiscDrivers
  *  \defgroup Group_RingBuff Generic Byte Ring Buffer - LUFA/Drivers/Misc/RingBuffer.h
+ *  \brief Lightweight ring buffer, for fast insertion/deletion of bytes.
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
diff --git a/LUFA/Drivers/Misc/TerminalCodes.h b/LUFA/Drivers/Misc/TerminalCodes.h
index 2ab00581155548edba1c22074a04d9f085587c91..a2ef3fa54e771883a4ea467a6b4e57d90fbf2310 100644
--- a/LUFA/Drivers/Misc/TerminalCodes.h
+++ b/LUFA/Drivers/Misc/TerminalCodes.h
@@ -37,6 +37,7 @@
 
 /** \ingroup Group_MiscDrivers
  *  \defgroup Group_Terminal ANSI Terminal Escape Codes - LUFA/Drivers/Misc/TerminalCodes.h
+ *  \brief ANSI terminal special escape code macros.
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
diff --git a/LUFA/Drivers/Peripheral/ADC.h b/LUFA/Drivers/Peripheral/ADC.h
index 29e32a83cbc03e4ccfa1b46ead47df94a9b1294d..fe766458c8c9d032300de0b14b40321970ed142c 100644
--- a/LUFA/Drivers/Peripheral/ADC.h
+++ b/LUFA/Drivers/Peripheral/ADC.h
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief Master include file for the ADC peripheral driver.
+ *  \brief Hardware Analogue-to-Digital converter driver.
  *
  *  This file is the master dispatch header file for the device-specific ADC driver, for microcontrollers
  *  containing an ADC.
@@ -40,6 +40,7 @@
 
 /** \ingroup Group_PeripheralDrivers
  *  \defgroup Group_ADC ADC Driver - LUFA/Drivers/Peripheral/ADC.h
+ *  \brief Hardware Analogue-to-Digital converter driver.
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
diff --git a/LUFA/Drivers/Peripheral/SPI.h b/LUFA/Drivers/Peripheral/SPI.h
index 9b967e0cdd5d19fb30e59c543536fd0497f22e24..3fcf05aafc5823a54ba8743eebfaf4182dc0077f 100644
--- a/LUFA/Drivers/Peripheral/SPI.h
+++ b/LUFA/Drivers/Peripheral/SPI.h
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief Master include file for the SPI peripheral driver.
+ *  \brief Hardware Serial Peripheral Interface driver.
  *
  *  This file is the master dispatch header file for the device-specific SPI driver, for microcontrollers
  *  containing a hardware SPI.
@@ -40,6 +40,7 @@
 
 /** \ingroup Group_PeripheralDrivers
  *  \defgroup Group_SPI SPI Driver - LUFA/Drivers/Peripheral/SPI.h
+ *  \brief Hardware Serial Peripheral Interface driver.
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
diff --git a/LUFA/Drivers/Peripheral/Serial.h b/LUFA/Drivers/Peripheral/Serial.h
index a6fcb44f09e3d3d845b4ede36695192b42267e89..8e549ff3b6e81e3792f9043c58ddb513a61d1e76 100644
--- a/LUFA/Drivers/Peripheral/Serial.h
+++ b/LUFA/Drivers/Peripheral/Serial.h
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief Master include file for the USART peripheral driver.
+ *  \brief Hardware Serial USART driver.
  *
  *  This file is the master dispatch header file for the device-specific USART driver, for microcontrollers
  *  containing a hardware USART.
@@ -40,6 +40,7 @@
 
 /** \ingroup Group_PeripheralDrivers
  *  \defgroup Group_Serial Serial USART Driver - LUFA/Drivers/Peripheral/Serial.h
+ *  \brief Hardware Serial USART driver.
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
diff --git a/LUFA/Drivers/Peripheral/TWI.h b/LUFA/Drivers/Peripheral/TWI.h
index 4ba8610314fcb225d932fdc64010c1579b0f841a..e6fdd488e89f0e34a12118ad4353da8c2228b443 100644
--- a/LUFA/Drivers/Peripheral/TWI.h
+++ b/LUFA/Drivers/Peripheral/TWI.h
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief Master include file for the TWI peripheral driver.
+ *  \brief Hardware Two Wire Interface (I2C) driver.
  *
  *  This file is the master dispatch header file for the device-specific SPI driver, for microcontrollers
  *  containing a hardware TWI.
@@ -40,6 +40,7 @@
 
 /** \ingroup Group_PeripheralDrivers
  *  \defgroup Group_TWI TWI Driver - LUFA/Drivers/Peripheral/TWI.h
+ *  \brief Hardware Two Wire Interface (I2C) driver.
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
diff --git a/LUFA/Drivers/USB/Class/Common/HIDParser.h b/LUFA/Drivers/USB/Class/Common/HIDParser.h
index 7ae6bb243d0589f565fb0da10ad553f3fdc4281c..c972665ac888a7770a1ddef0d6d4b0c764914873 100644
--- a/LUFA/Drivers/USB/Class/Common/HIDParser.h
+++ b/LUFA/Drivers/USB/Class/Common/HIDParser.h
@@ -38,6 +38,7 @@
 
 /** \ingroup Group_USB
  *  \defgroup Group_HIDParser HID Report Parser
+ *  \brief USB Human Interface Device (HID) Class report descriptor parser.
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
diff --git a/LUFA/Drivers/USB/Core/AVR8/Endpoint.h b/LUFA/Drivers/USB/Core/AVR8/Endpoint.h
index 2a07747929aa7f489d28c839a9d0cfa5b2e3b5cb..d57b32f580405dd1dfac56b48e4ac980dcc77a88 100644
--- a/LUFA/Drivers/USB/Core/AVR8/Endpoint.h
+++ b/LUFA/Drivers/USB/Core/AVR8/Endpoint.h
@@ -38,13 +38,14 @@
 
 /** \ingroup Group_EndpointRW
  *  \defgroup Group_EndpointRW_AVR8 Endpoint Data Reading and Writing (AVR8)
- *  \brief USB Endpoint definitions for the AVR8 microcontrollers.
+ *  \brief Endpoint data read/write definitions for the Atmel AVR8 architecture.
  *
  *  Functions, macros, variables, enums and types related to data reading and writing from and to endpoints.
  */
 
 /** \ingroup Group_EndpointPrimitiveRW
  *  \defgroup Group_EndpointPrimitiveRW_AVR8 Read/Write of Primitive Data Types (AVR8)
+ *  \brief Endpoint primative read/write definitions for the Atmel AVR8 architecture.
  *
  *  Functions, macros, variables, enums and types related to data reading and writing of primitive data types
  *  from and to endpoints.
@@ -52,12 +53,14 @@
 
 /** \ingroup Group_EndpointPacketManagement
  *  \defgroup Group_EndpointPacketManagement_AVR8 Endpoint Packet Management (AVR8)
+ *  \brief Endpoint packet management definitions for the Atmel AVR8 architecture.
  *
  *  Functions, macros, variables, enums and types related to packet management of endpoints.
  */
 
 /** \ingroup Group_EndpointManagement
  *  \defgroup Group_EndpointManagement_AVR8 Endpoint Management (AVR8)
+ *  \brief Endpoint management definitions for the Atmel AVR8 architecture.
  *
  *  Functions, macros and enums related to endpoint management when in USB Device mode. This
  *  module contains the endpoint management macros, as well as endpoint interrupt and data
diff --git a/LUFA/Drivers/USB/Core/AVR8/Pipe.h b/LUFA/Drivers/USB/Core/AVR8/Pipe.h
index ff09f43e48f35f119d33e9f425a188df063006d1..201ac0bd2308288d97796ddff7c84fa9c2630097 100644
--- a/LUFA/Drivers/USB/Core/AVR8/Pipe.h
+++ b/LUFA/Drivers/USB/Core/AVR8/Pipe.h
@@ -38,13 +38,14 @@
 
 /** \ingroup Group_PipeRW
  *  \defgroup Group_PipeRW_AVR8 Pipe Data Reading and Writing (AVR8)
- *  \brief USB Pipe definitions for the AVR8 microcontrollers.
+ *  \brief Pipe data read/write definitions for the Atmel AVR8 architecture.
  *
  *  Functions, macros, variables, enums and types related to data reading and writing from and to pipes.
  */
 
 /** \ingroup Group_PipePrimitiveRW
  *  \defgroup Group_PipePrimitiveRW_AVR8 Read/Write of Primitive Data Types (AVR8)
+ *  \brief Pipe primative data read/write definitions for the Atmel AVR8 architecture.
  *
  *  Functions, macros, variables, enums and types related to data reading and writing of primitive data types
  *  from and to pipes.
@@ -52,12 +53,14 @@
 
 /** \ingroup Group_PipePacketManagement
  *  \defgroup Group_PipePacketManagement_AVR8 Pipe Packet Management (AVR8)
+ *  \brief Pipe packet management definitions for the Atmel AVR8 architecture.
  *
  *  Functions, macros, variables, enums and types related to packet management of pipes.
  */
 
 /** \ingroup Group_PipeControlReq
  *  \defgroup Group_PipeControlReq_AVR8 Pipe Control Request Management (AVR8)
+ *  \brief Pipe control request management definitions for the Atmel AVR8 architecture.
  *
  *  Module for host mode request processing. This module allows for the transmission of standard, class and
  *  vendor control requests to the default control endpoint of an attached device while in host mode.
@@ -67,6 +70,7 @@
 
 /** \ingroup Group_PipeManagement
  *  \defgroup Group_PipeManagement_AVR8 Pipe Management (AVR8)
+ *  \brief Pipe management definitions for the Atmel AVR8 architecture.
  *
  *  This module contains functions, macros and enums related to pipe management when in USB Host mode. This
  *  module contains the pipe management macros, as well as pipe interrupt and data send/receive functions
diff --git a/LUFA/Drivers/USB/Core/Device.h b/LUFA/Drivers/USB/Core/Device.h
index 6fa88d3a314bc72ac33a0856ee3ad14f24b00170..84ed43fada212c828a17a034137232b0eb94e620 100644
--- a/LUFA/Drivers/USB/Core/Device.h
+++ b/LUFA/Drivers/USB/Core/Device.h
@@ -38,7 +38,7 @@
 
 /** \ingroup Group_USB
  *  \defgroup Group_Device Device Management
- *  \brief Common USB Device definitions for all architectures.
+ *  \brief USB Device management definitions for USB device mode.
  *
  *  USB Device mode related definitions common to all architectures. This module contains definitions which
  *  are used when the USB controller is initialized in device mode.
diff --git a/LUFA/Drivers/USB/Core/Endpoint.h b/LUFA/Drivers/USB/Core/Endpoint.h
index 656f40cdb1997f8707c8bd8971a9fd8163c80941..958d04181ce569b1fa86301798803e81c8141e61 100644
--- a/LUFA/Drivers/USB/Core/Endpoint.h
+++ b/LUFA/Drivers/USB/Core/Endpoint.h
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief Common USB Endpoint definitions for all architectures.
+ *  \brief USB Endpoint definitions for all architectures.
  *  \copydetails Group_EndpointManagement
  *
  *  \note This file should not be included directly. It is automatically included as needed by the USB driver
@@ -38,13 +38,14 @@
 
 /** \ingroup Group_EndpointManagement
  *  \defgroup Group_EndpointRW Endpoint Data Reading and Writing
- *  \brief Common USB Endpoint definitions for all architectures.
+ *  \brief Endpoint data read/write definitions.
  *
  *  Functions, macros, variables, enums and types related to data reading and writing from and to endpoints.
  */
 
 /** \ingroup Group_EndpointRW
  *  \defgroup Group_EndpointPrimitiveRW Read/Write of Primitive Data Types
+ *  \brief Endpoint data primative read/write definitions.
  *
  *  Functions, macros, variables, enums and types related to data reading and writing of primitive data types
  *  from and to endpoints.
@@ -52,12 +53,14 @@
 
 /** \ingroup Group_EndpointManagement
  *  \defgroup Group_EndpointPacketManagement Endpoint Packet Management
+ *  \brief USB Endpoint package management definitions.
  *
  *  Functions, macros, variables, enums and types related to packet management of endpoints.
  */
 
 /** \ingroup Group_USB
  *  \defgroup Group_EndpointManagement Endpoint Management
+ *  \brief Endpoint management definitions.
  *
  *  Functions, macros and enums related to endpoint management when in USB Device mode. This
  *  module contains the endpoint management macros, as well as endpoint interrupt and data
diff --git a/LUFA/Drivers/USB/Core/Host.h b/LUFA/Drivers/USB/Core/Host.h
index 6a09b4055294184c75a32e1bde4e21da7d5b1722..7e83102fe6f6589cbe1c3c2f299650789ca730bf 100644
--- a/LUFA/Drivers/USB/Core/Host.h
+++ b/LUFA/Drivers/USB/Core/Host.h
@@ -38,7 +38,7 @@
 
 /** \ingroup Group_USB
  *  \defgroup Group_Host Host Management
- *  \brief Common USB Host definitions for all architectures.
+ *  \brief USB Host management definitions for USB host mode.
  *
  *  USB Host mode related macros and enums. This module contains macros and enums which are used when
  *  the USB controller is initialized in host mode.
diff --git a/LUFA/Drivers/USB/Core/OTG.h b/LUFA/Drivers/USB/Core/OTG.h
index bb54e18bd31e1a990585ba8dc57b0a02f009b412..26b649ba76731e061634ca261c253f05fae79090 100644
--- a/LUFA/Drivers/USB/Core/OTG.h
+++ b/LUFA/Drivers/USB/Core/OTG.h
@@ -38,7 +38,7 @@
 
 /** \ingroup Group_USB
  *  \defgroup Group_OTG USB On The Go (OTG) Management
- *  \brief Common USB OTG definitions for all architectures.
+ *  \brief USB OTG management definitions.
  *
  *  This module contains macros for embedded USB hosts with dual role On The Go capabilities, for managing role
  *  exchange. OTG is a way for two USB dual role devices to talk to one another directly without fixed device/host
diff --git a/LUFA/Drivers/USB/Core/Pipe.h b/LUFA/Drivers/USB/Core/Pipe.h
index 4edeba92eff556be07cea70b3622824be9089f4b..6ab8fc2708ee97210081400604c6c54b54d57900 100644
--- a/LUFA/Drivers/USB/Core/Pipe.h
+++ b/LUFA/Drivers/USB/Core/Pipe.h
@@ -38,13 +38,14 @@
 
 /** \ingroup Group_PipeManagement
  *  \defgroup Group_PipeRW Pipe Data Reading and Writing
- *  \brief Common USB Pipe definitions for all architectures.
+ *  \brief Pipe data read/write definitions.
  *
  *  Functions, macros, variables, enums and types related to data reading and writing from and to pipes.
  */
 
 /** \ingroup Group_PipeRW
  *  \defgroup Group_PipePrimitiveRW Read/Write of Primitive Data Types
+ *  \brief Pipe data primative read/write definitions.
  *
  *  Functions, macros, variables, enums and types related to data reading and writing of primitive data types
  *  from and to pipes.
@@ -52,12 +53,14 @@
 
 /** \ingroup Group_PipeManagement
  *  \defgroup Group_PipePacketManagement Pipe Packet Management
+ *  \brief Pipe packet management definitions.
  *
  *  Functions, macros, variables, enums and types related to packet management of pipes.
  */
 
 /** \ingroup Group_PipeManagement
  *  \defgroup Group_PipeControlReq Pipe Control Request Management
+ *  \brief Pipe control request definitions.
  *
  *  Module for host mode request processing. This module allows for the transmission of standard, class and
  *  vendor control requests to the default control endpoint of an attached device while in host mode.
@@ -67,6 +70,7 @@
 
 /** \ingroup Group_USB
  *  \defgroup Group_PipeManagement Pipe Management
+ *  \brief Pipe management definitions.
  *
  *  This module contains functions, macros and enums related to pipe management when in USB Host mode. This
  *  module contains the pipe management macros, as well as pipe interrupt and data send/receive functions
diff --git a/LUFA/Drivers/USB/Core/StdDescriptors.h b/LUFA/Drivers/USB/Core/StdDescriptors.h
index d08d08348b2085bf21032d6edae5a5ee5a3b25e2..d2a9bee0ed98c2563f483ea772ef7ff7e0113a3d 100644
--- a/LUFA/Drivers/USB/Core/StdDescriptors.h
+++ b/LUFA/Drivers/USB/Core/StdDescriptors.h
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief Common USB Descriptor definitions for all architectures.
+ *  \brief Common standard USB Descriptor definitions for all architectures.
  *  \copydetails Group_StdDescriptors
  *
  *  \note This file should not be included directly. It is automatically included as needed by the USB driver
@@ -38,7 +38,7 @@
 
 /** \ingroup Group_USB
  *  \defgroup Group_StdDescriptors USB Descriptors
- *  \brief Common USB Descriptor definitions for all architectures.
+ *  \brief Standard USB Descriptor definitions.
  *
  *  Standard USB device descriptor defines and retrieval routines, for USB devices. This module contains
  *  structures and macros for the easy creation of standard USB descriptors in USB device projects.
diff --git a/LUFA/Drivers/USB/Core/USBController.h b/LUFA/Drivers/USB/Core/USBController.h
index dfd2ce1d525c3e272f8078048efeb4277eb90ecb..9cde9db7a1fb3ca876e7cf37b6b0877bc3c75d0e 100644
--- a/LUFA/Drivers/USB/Core/USBController.h
+++ b/LUFA/Drivers/USB/Core/USBController.h
@@ -38,7 +38,7 @@
 
 /** \ingroup Group_USB
  *  \defgroup Group_USBManagement USB Interface Management
- *  \brief Common USB Controller definitions for all architectures.
+ *  \brief USB Controller definitions for general USB controller management.
  *
  *  Functions, macros, variables, enums and types related to the setup and management of the USB interface.
  *
diff --git a/LUFA/Scheduler/Scheduler.h b/LUFA/Scheduler/Scheduler.h
index 35f165fb40eee2d4d2c2b3ed6d8deab2f083f16b..7aa513322e400db142812dea1d40652f87655f1d 100644
--- a/LUFA/Scheduler/Scheduler.h
+++ b/LUFA/Scheduler/Scheduler.h
@@ -38,6 +38,7 @@
  */
 
 /** \defgroup Group_Scheduler Simple Task Scheduler - LUFA/Scheduler/Scheduler.h
+ *  \brief Simple round-robbin pseudo-task scheduler.
  *
  *  \deprecated This module is deprecated and will be removed in a future library release.
  *