Data Management Capabilities > Managing Part Structures > Product Structure Explorer > About Annotating > Adding a Comment
  
Adding a Comment
In draft mode or an annotation set, comments can be added to fields in a table if the value has changed.
Use the following procedure to add a comment to a field that you have edited:
1. Select a part or attribute field that has been modified.
or
To revert certain changes, for example, if you removed a part, select the parent part of the part you removed.
2. Click .
or
Select Edit > Comments.
The Comment window appears.
3. Enter a comment describing the change you made.
4. Click OK.