diff --git a/BuildServices.asciidoc b/BuildServices.asciidoc
index 19971c1..9a200d7 100644
--- a/BuildServices.asciidoc
+++ b/BuildServices.asciidoc
@@ -23,12 +23,13 @@ nim c -r <mytest.nim>
 
 Be aware that the available .deb packages will change over time.
 
-### Using CircleCI 2.0 with choosenim
+## Building Nim projects on Circle CI v2.0 using choosenim
 
 choosenim allow picking fixed Nim versions or updating to the last stable or devel version
 
 Use this .circleci/config.yml
 
+[source,yaml]
 ---
 version: 2
 jobs: