Wikipedia:Tip of the day/April 7
Do you keep forgetting to fill-in the edit summary box before saving your edits? Well, you can let Wikipedia remember for you! Go to My preferences, select the "Editing" tab, and check the option box that says "Prompt me when entering a blank edit summary". With this option set, Wikipedia won't allow you to save until you've entered an edit summary.
Read more: Meta Help:Preferences