Updated mbed cortex porting (markdown)

diff --git a/mbed-cortex-porting.md b/mbed-cortex-porting.md
index 2889bbfbab82c478ed23cc9ba710b04b52866878..87f7c1e2f377e6889527b0599f4bcace8df57144 100644 (file)
--- a/mbed-cortex-porting.md
+++ b/mbed-cortex-porting.md
@@ -1,5 +1,5 @@
-## cstddef compile error
-
+## <cstddef> compile error
+with arm-none-eabi-gcc (4.8.2-14ubuntu1+6) 4.8.2
 
 ```
 $ make -f Makefile.mbed