%s The document has changed. Do you want to discard the changes and revert to the last saved version?
Indicates that the document has changed since it was last saved and that reverting to the last saved version will undo any changes that you made since then. You should confirm that this is really what you want.
- Path of the document file
Click Yes to revert to the last saved version (losing any changes since then), or No to keep the current version of the document. In the latter case, you might want to save it under a different name.