Update README.md

README.md

@@ -27,4 +27,9 @@ This board comes flashed with a Serial DFU bootloader and it has an onboard USB-
 
 You don't have to spend hundreds on a J-Link (even though it is very nice).  Using <a href='openocd.org'>OpenOCD</a>, we can make a Raspberry Pi bit-bang the programming protocols.
 
-<img src='openocd/flashing-bootloader.png' width=50%>
+<img src='openocd/bootloader-raspberrypi.jpg' width=53%>
+<img src='openocd/flashing-bootloader.png' width=30%>
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+Support for the NRF52 is not in the stable release of OpenOCD as of V 0.10, but you can patch it following the instructions on <a href='https://primalcortex.wordpress.com/2017/06/10/setting-up-openocd-for-programming-the-nordic-nrf52832-chip/'>this page</a>.
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+