With Quick Admin Notes Pro, all administrators can easily add shared and private notes on every page in the administration area. All back-end users can access and modify the shared note. The private note is not shared between other users and is only visible to the user who enters the note.
All...
Adds a note area in the Admin control panel.
(Example of Admin notes)
(Example of Admin notes edit page)
How to use:
Click the Edit button and add any information you like.
Questions and answers:
Q: Can I use HTML here to add for example a link?
A: Yes.