wxGUI: missing html tag in docs

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@46610 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/docs/wxGUI.html

@@ -321,6 +321,7 @@ d.text text=Population\ density
 </dl>
 
 <b>Map Layers</b>
+<dl>
   <dt>Ctrl+Shift+L</dt>
   <dd>Add multiple raster or vector map layers to current map display</dd>
   <dt>Ctrl+Shift+R</dt>