The help says:
When you have an action or a project selected, click the notes icon on the far right side of the row (or press Command-apostrophe).
I can confirm that it is not identified in here:
http://www.omnigroup.com/ftp/pub/sof...-Shortcuts.pdf
Generally speaking, I do not like shortcuts that interfere with french keyboards, where hitting this key requires me to do
Command Shift-Comma
F.