Adding Comments to Tracks
To add comments to a track, do one of the following:

From the track channel strip, click directly in the Comments area, type any comments for the track, and press Return (Mac) or Enter (Windows).

In the Edit or Mix window, double-click the
Track Name button for a track. Then click directly in the Comments area, type any comments for the track, and press Return (Mac) or Enter (Windows).

To enter a carriage return in the Comments area, press Shift+Return (Mac) or Shift+Enter (Windows) on the alphanumeric keyboard.