Hyperlinks added to the notes cannot have their text changed.
If your hyperlink is added via the Add Attachments dialog (Insert tab) you can add a friendly name for it by right-clicking on the branch, hovering over "Attachments" and selecting "Edit". Enter a name in the description box and click "OK."
Hyperlinks can be added to maps via the Hyperlink command on the insert ribbon.
To add a hyperlink to a branch:
"Insert" -> "Hyperlink"
- Switch to the "Insert" ribbon
- Click the "Hyperlink" command
- Enter a friendly name in to the "Description" field
- Enter a fully formed web address in to the "Hyperlink Address" field
- Click "OK" to add the hyperlink