Add Comment to Parameter Set 

You can add comments to the parameter set while creating or editing the parameter set. Optionally, you can also add a comment from the Quick Actions menu. Select a parameter set, and from the Quick Actions menu, click Add Comment.

The comments are added when updating the parameter set to help track the changes you made to the parameter set.

To view the comments added to a parameter set, click View from the Quick Actions menu. On the View Parameter Set Details page, go to the Action Log tab, and scroll down to the Comments section.