To change the song description within a pitch, open the pitch edit modal.
You can open the pitch edit modal for an existing pitch by going to your Pitch Log and right-clicking a pitch. Then select Edit pitch to open the pitch edit modal.
You can also open the pitch edit modal for a pitch you are creating by clicking Customize in the pitch creation modal.
Once the pitch edit modal is open, click the more options button next to a song and select the Customize song option.
The customize song pitch view will appear. Type the description in the Description field and make sure to save your changes.
Note: Changes made in a pitch only apply to that pitch.