Define a New Format for a Revision Scheme

Click Tools Administration Vault Settings.
On the Vault Settings dialog box, select the Behaviors tab Revisions.
Select a revision scheme for which you want to create a new format, and click Edit.
Select the Scheme Format tab and click New.
In the List Scheme Format dialog box, enter a name in the Scheme Format Name box.
Click Add to add a row for a scheme value, and then enter the value in the row.
Optionally, re-prioritize values by selecting a value and clicking the move up arrow or move down arrow.
Optionally, select a value that is not checked to assign it as the default, and then click Set as Default.
Click OK.