wxGUI/psmap: update manpage

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@55987 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/psmap/g.gui.psmap.html

@@ -53,6 +53,7 @@ Currently supported <em><a href="ps.map.html">ps.map</a></em> instructions:
   <li> point
   <li> line
   <li> rectangle
+  <li> labels
 </ul>
 
 
@@ -153,7 +154,16 @@ Currently supported <em><a href="ps.map.html">ps.map</a></em> instructions:
     </dl>
     </dd>
   
-  
+   <dt><img src="icons/layer-more.png" alt="icon">&nbsp;
+    <em>Add overlays</em></dt>
+   <dd>Add overlays: vector labels, grid (not yet implemented)
+    <dl>
+      <dt><img src="icons/layer-label-add.png" alt="icon">&nbsp;
+        <em>Add labels</em></dt>
+      <dd>Add vector labels created beforehand by v.label module.</dd>
+    </dl>
+   </dd>
+
    <dt><img src="icons/overlay-add.png" alt="icon">&nbsp;
     <em>Add map elements</em></dt>
    <dd>Add map elements: legend, scalebar, map info, text