diff --git a/Programming-Debugging-the-pyboard-using-ST-Link-v2.md b/Programming-Debugging-the-pyboard-using-ST-Link-v2.md
index 26a039c..f72cb2b 100644
--- a/Programming-Debugging-the-pyboard-using-ST-Link-v2.md
+++ b/Programming-Debugging-the-pyboard-using-ST-Link-v2.md
@@ -53,7 +53,7 @@ You can now program/debug using any software that support the ST-Link/v2. One su
 $ openocd -f board/stm32f4discovery.cfg -c "program app.elf" -c reset -c shutdown
 ```
 
-Debugging has been tested to work under CLion.
+Debugging has been tested to work under CLion using the OpenOCD plugin and `gcc-arm-embedded` toolchain.
 
 # References