When I click the save button I get the Add Version Description dialog box which is pre-populated with "User Saved" text. To change the text I have to take my mouse and select all the text, then when I start typing the old text is deleted. If you made a small change where the text is selected initially, then I could just start typing to overwrite it, or I could justl click on the OK button to keep the default text.
Current default dialog box:

Default would look like this:
