A disabled button reading “Saving” means your document is currently being saved, and should complete in a second or two.
A disabled button reading “Saved” means all data in this document is now saved, and the timestamp tells you when the last change happened. You can safely exit the application or continue editing the document.
These changes are available today in presentations and documents and will be coming to spreadsheets soon. We'll continue to improve consistency in Google Docs, so if you have suggestions about what we should tackle next, let us know on our
forum and
ideas page.
Posted by: Garry Boyer, Software Engineer and Joseph Wain, User Experience Designer 
