contrib/brainfuck: protect README doc units

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>

diff --git a/contrib/brainfuck/README.md b/contrib/brainfuck/README.md
index 8715228..c327550 100644 (file)
--- a/contrib/brainfuck/README.md
+++ b/contrib/brainfuck/README.md
@@ -28,7 +28,7 @@ Brainfuck a small instruction set, only eight instructions :
 First, compile the interpreter with the Nit compiler/interpreter, and launch the program on a brainfuck source file for interpretation.
 
 Example:
-~~~
+~~~sh
 nitc ./brainfuck.nit
 ./brainfuck ./examples/hello.bf
 ~~~