Revert
Revert is similar to Delete
In RecentChanges each edit in the wiki has a line that begins:
Additionaly, history is also the 4th tab from the left above.
With these tools, we can correct any unconstructive edits that we or someone else makes. Just go back to the version you want and edit it. Place Revert in the edit summary.
RevertVandalism
We've gone back to a previous (good) edit and reloaded the article from there, after vandalism or other unconstructive attacks to the page. If you have a problem with a particular site or institution, please make use of the review section or discussion page to vent in a constructive manner.