The Text Inspector
The Text Inspector displays the textual information accompanying a sound. To display the Selection Inspector, you need to bring up the Sound Inspector with the Tools Menu, and then choose Text:
The Revert button resets the text to the sound's currently-saved textual information.
The Change button sets the sound's textual information to the text in the inspector. Note that this is a costly process, requiring copying the entire sound in memory, so it may take some time and use much memory for large sounds.