Here is a post for some very simple tips to formatting when editing.http://planningwikimediaghana.blogspot.co.uk/2013/11/training-do-this-exercise-in-your.html
After reading/watching the post, try and practice in your sandbox. That will get rid of any fear you have and give you that first feel of editing something.
Comments and feedback welcome.
Regards, Sandister Tei ----- Cardiff University JOMEC -- International Journalism www.sandistertei.com | +447448223686