I assumed you had renamed the file! I meant go to Page > Page Properties. Click the "Options" tab (as before) and change the "filename" field. (This may have been changed automatically depending on which checkboxes you have checked). Renaming the actual file as you have done is sensible. I go through v.1.1 etc and each time I make a change I save a new version - it saves a lot of bother if something goes wrong - you can return to a recent version easily.
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