diff --git a/sw/airborne/subsystems/datalink/README.md b/sw/airborne/subsystems/datalink/README.md
index fd039c4fe6..bb071958eb 100644
--- a/sw/airborne/subsystems/datalink/README.md
+++ b/sw/airborne/subsystems/datalink/README.md
@@ -117,7 +117,7 @@ int main()
 ~~~
 
 With the makefile:
-~~
+~~~
 # This file was automagically generated by mbed.org with PPRZ datalink library addition
 
 GCC_BIN = /usr/bin/