now sets too (merge from devbr6)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@36117 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.category/r.category.html

@@ -2,7 +2,8 @@
 
 
 <em>r.category</em> prints the category values and labels for the raster map
-layer specified by <b>map=</b><em>name</em> to standard output.
+layer specified by <b>map=</b><em>name</em> to standard output. You can also
+use it to set category labels for a raster map.
 
 <p>