You might want to revert your own article if you made a series of bad changes. If you want to revert an article where someone else made changes, consult with a Community Council member, and then explain the reason for the revert in the Edit Comment. The most common reason to revert someone else's changes is if they deleted content and replaced it with advertising keywords and links to their site. For that reason and any other reason, consult a Council member. To learn how to revert an article:
Fernando Lugão Veltem edited Revision 5. Comment: removed en-US from the title
yottun8 edited Revision 4. Comment: Added the "Other Languages" section and Japanese version.