diff --git a/README.md b/README.md
index b1ca3daf8da82107574fba9e8bb1bfcec61922e3..18b3ed3f1eea7657f318302178da4fd23036feef 100644
--- a/README.md
+++ b/README.md
@@ -7,3 +7,6 @@ ended up with after modifying Neil's
 based on the guidelines of the
 [electronics design](http://academy.cba.mit.edu/classes/electronics_design/index.html)
 assignment.
+
+Read the comments in the Makefile for instructions on building and using this
+code.