cosmetic fix

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3841 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

TODO

@@ -32,8 +32,8 @@ For the next version:
   set via Ctrl-^) at various lines and/or columns in the buffer, and
   allow movement between them with a single keystroke.
 - Add the ability to move to different lines of the screen with a single
-  keystroke, e.g. M-` to go to the top line, M-& to go to the center
+  keystroke, e.g. M-` (M-~) to go to the top line, M-& (M-7) to go to
-  line, and M-' to go to the last line.
+  the center line, and M-' (M-") to go to the last line.
 
 Old requests: