say what it is

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@33329 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.li/r.li.html

@@ -10,7 +10,7 @@
 <img src="grass_logo.png" alt="GRASS logo"><hr align=center size=6 noshade>
 
 <h2>NAME</h2>
-<em><b>r.li</b></em> - package overview
+<em><b>r.li</b></em> - landscape structure analysis package overview
 
 <h2>KEYWORDS</h2>
 raster, landscape structure analysis, overview, landscape metrics, landscape pattern, landscape analysis