NoteTools By Donkey
This AddIn will allow you to set a 127 byte comment for anything in the properties window. Use the context menu to set the comment and it will appear as a tooltip when you hover over the item at the cursor. Install it like any other AddIn.
XX is the next available AddIn number
YY is an option number that is passed to the AddIn. Set this to 0 to disable the AddIn
1 = NoteTools enabled
2 = Use background color for NoteTools tip
4 = Use title for NoteTools tip
8 = Use background color for RadASM tip
16 = Use title for RadASM tip
Add the values to get combinations,15 is a nice combination. You can still set the ToolTip options for RadASM if NoteTools is disabled.