Work with devel env.

doc/local_ros_installation.md

@@ -16,14 +16,14 @@ for en overview of the available functionality.
   A simple dark alert—check it out!
 </div>
 
-<hr>
+<hr nosize height=20>
 <hr>
 <hr>
 
 ## Preparation
 
 Get the waraps repo:
-```ruby
+```bash
 git clone git@gitlab.liu.se:lrs/waraps.git
 ```