r.topidx: description refined

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@60418 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.topidx/main.c

@@ -7,7 +7,7 @@
  *               Huidae Cho <grass4u gmail.com>, Hydro Laboratory,
  *               Kyungpook National University
  *
- * PURPOSE:      Creates topographic index map from elevation map.
+ * PURPOSE:      Creates topographic index raster map from elevation map.
  *               Based on GRIDATB.FOR.
  *
  * COPYRIGHT:    (C) 2000-2013 by the GRASS Development Team
@@ -39,7 +39,7 @@ int main(int argc, char **argv)
     G_add_keyword(_("raster"));
     G_add_keyword(_("hydrology"));
     module->description =
-	_("Creates topographic index map from elevation raster map.");
+	_("Creates topographic index raster map from elevation raster map.");
 
     params.input = G_define_standard_option(G_OPT_R_ELEV);
     params.input->key = "input";