Update DevelopingFrontEnd.MD

Documentation/DevelopingFrontEnd.MD

@@ -40,6 +40,8 @@ You may also feel the need to tweak the last lines of [this file](https://github
 
 When the app works move your changes back onto the website with:
 
-```git add filename.py
-git commit -m 'work-done'"
-git push origin master```
+```BASH
+git add filename.py
+git commit -m 'work-done'
+git push origin master
+```