manual: main page name cosmetics

git-svn-id: https://svn.osgeo.org/grass/grass/branches/releasebranch_7_0@65923 15284696-431f-4ddb-bdfa-cd5b030d7da7

man/build_html.py

@@ -187,7 +187,7 @@ r"""<!-- the files grass${grass_version_major}.html & helptext.html file live in
 
 footer_tmpl = string.Template(\
 r"""<hr class="header">
-<p><a href="${index_url}">Help Index</a> | <a href="topics.html">Topics Index</a> | <a href="keywords.html">Keywords Index</a> | <a href="full_index.html">Full Index</a></p>
+<p><a href="${index_url}">Manual main page</a> | <a href="topics.html">Topics Index</a> | <a href="keywords.html">Keywords Index</a> | <a href="full_index.html">Full Index</a></p>
 <p>&copy; 2003-${year} <a href="http://grass.osgeo.org">GRASS Development Team</a>, GRASS GIS ${grass_version} Reference Manual</p>
 
 </div>

man/build_rest.py

@@ -166,7 +166,7 @@ r"""
 
 --------------
 
-:doc:`Help Index <index>` \| :doc:`Full Index <full_index>`
+:doc:`Manual main page <index>` \| :doc:`Full Index <full_index>`
  2003-2015 `GRASS Development Team <http://grass.osgeo.org>`_, GRASS GIS ${grass_version} Reference Manual
 """)