Improve formatting

Issue #776
Signed-off-by: Michal Čihař <michal@cihar.com>

docs/admin/projects.rst

@@ -197,8 +197,8 @@ Pre-commit script
 Additional commit file
     Additional file to include in commit, usually this one is generated by pre
     commit script described above. 
-    Supply the %(language)s in the path like this: /path/to/addditinal/%(language)s_file.example
-    
+    Supply the ``%(language)s`` in the path like this:
+    ``path/to/addditinal/%(language)s_file.example``
 Save translation history
     Whether to store history of translation changes in database.
 Suggestion voting