-Turn it on to use emacs mouse commands, and off to use xterm mouse commands."
- nil " Mouse" nil :global t
+Turn it on to use Emacs mouse commands, and off to use xterm mouse commands.
+This works in terminal emulators compatible with xterm. It only
+works for simple uses of the mouse. Basically, only non-modified
+single clicks are supported. When turned on, the normal xterm
+mouse functionality for such clicks is still available by holding
+down the SHIFT key while pressing the mouse button."
+ :global t :group 'mouse