[GFS2] Update documentation

Updated information on the GFS2 tools
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

Documentation/filesystems/gfs2.txt

@@ -34,11 +34,10 @@ needed, simply:
 GFS2 is not on-disk compatible with previous versions of GFS.
 
 The following man pages can be found at the URL above:
-  gfs2_mkfs	to make a filesystem
   gfs2_fsck	to repair a filesystem
   gfs2_grow	to expand a filesystem online
   gfs2_jadd	to add journals to a filesystem online
   gfs2_tool	to manipulate, examine and tune a filesystem
   gfs2_quota	to examine and change quota values in a filesystem
-  mount.gfs2	to find mount options
-
+  mount.gfs2	to help mount(8) mount a filesystem
+  mkfs.gfs2	to make a filesystem