g.list: note about subgroup list in i.group

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@57707 15284696-431f-4ddb-bdfa-cd5b030d7da7

general/g.list/g.list.html

@@ -40,8 +40,8 @@ List all raster and vector maps from mapset "user":
 
 <em><a href="g.access.html">g.access</a></em><br>
 <em><a href="g.mapsets.html">g.mapsets</a></em><br>
-<em><a href="g.mlist.html">g.mlist</a></em>
-
+<em><a href="g.mlist.html">g.mlist</a></em><br>
+<em><a href="i.group.html">i.group</a></em> for getting list of subgroups in group
 
 <h2>AUTHOR</h2>