Update documenting.md

doc/contributing/documenting.md

@@ -45,6 +45,7 @@ source venv/bin/activate
 ```
 
 4) Wait for all downloads to finish and start the mkdocs server
+
 ```bash
 mkdocs serve
 ```
@@ -53,5 +54,4 @@ mkdocs serve
 
 Before committing, you should make sure that the local mkdcocs server's terminal is not producing any INFO/WARNING message regarding your contributions.
 
-
 > The documentation website supports branches, so your accepted changes will be reflected to the develop branch which becomes the Release branch after each corresponding cycle.