KBPublisher keeps a history of all changes you make to the content of an article.
When you update an article, you can add revision comments to easily track changes.
![](/kb_upload/image/en/History_2En_331.png)
You can view earlier versions and compare them against the current version to see what has changed.
You can roll back to earlier versions.
![](/kb_upload/image/en/History_En_331.png)