diff --git a/docs.it4i/software/orca.md b/docs.it4i/software/orca.md
index a6eb0fef2c8c025f4e00a5e973937bc6567c8e1a..5f71cf608f40aa2d3b7a81521942c86bfc8de4c3 100644
--- a/docs.it4i/software/orca.md
+++ b/docs.it4i/software/orca.md
@@ -32,6 +32,7 @@ Currently Loaded Modulefiles:
 
 Create a file called orca_serial.inp that contains the following orca commands
 
+```cpp
     # My first ORCA calculation :-)
     #
     # Taken from the Orca manual
@@ -41,6 +42,7 @@ Create a file called orca_serial.inp that contains the following orca commands
       C 0 0 0
       O 0 0 1.13
     *
+```
 
 Create a Sun Grid Engine submission file called submit_serial.sh that looks like this