SEO: Nofollow on download links, update help link
diff --git a/index.html b/index.html
index ed56bd5..bd67663 100644
--- a/index.html
+++ b/index.html
@@ -138,21 +138,21 @@
       <div class="large-4 columns">
         <h3>OS X</h3>
         <ul class="button-group">
-          <li><a href="https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/mars/R/eclipse-php-mars-R-macosx-cocoa-x86_64.tar.gz" class="small button success">64 bit</a></li>
+          <li><a href="https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/mars/R/eclipse-php-mars-R-macosx-cocoa-x86_64.tar.gz" class="small button success" rel="nofollow">64 bit</a></li>
         </ul>
       </div>
       <div class="large-4 columns">
         <h3>Windows</h3>
         <ul class="button-group">
-          <li><a href="https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/mars/R/eclipse-php-mars-R-win32.zip" class="small button success">32 bit</a></li>
-          <li><a href="https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/mars/R/eclipse-php-mars-R-win32-x86_64.zip" class="small button success">64 bit</a></li>
+          <li><a href="https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/mars/R/eclipse-php-mars-R-win32.zip" class="small button success" rel="nofollow">32 bit</a></li>
+          <li><a href="https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/mars/R/eclipse-php-mars-R-win32-x86_64.zip" class="small button success" rel="nofollow">64 bit</a></li>
         </ul>
       </div>
       <div class="large-4 columns">
         <h3>Linux</h3>
         <ul class="button-group">
-          <li><a href="https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/mars/R/eclipse-php-mars-R-linux-gtk.tar.gz" class="small button success">32 bit</a></li>
-          <li><a href="https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/mars/R/eclipse-php-mars-R-linux-gtk-x86_64.tar.gz" class="small button success">64 bit</a></li>
+          <li><a href="https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/mars/R/eclipse-php-mars-R-linux-gtk.tar.gz" class="small button success" rel="nofollow">32 bit</a></li>
+          <li><a href="https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/mars/R/eclipse-php-mars-R-linux-gtk-x86_64.tar.gz" class="small button success" rel="nofollow">64 bit</a></li>
         </ul>
       </div>
   </div>
@@ -176,14 +176,14 @@
       <h3>Download PDT Zip package</h3>
       <p>This packages contain PDT p2 repository, which can be used to install PDT in Eclipse without access to Eclipse.org</p>
         <ul>
-          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.5.0.201506101710.zip">PDT Update 3.5.0 (2015-06-24)</a></li>
-          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.4.0.201502171754.zip">PDT Update 3.4.0 (2015-02-27)</a></li>
-          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.3.2.201410231314.zip">PDT Update 3.3.2 (2014-10-23)</a></li>
-          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.3.1.201409161013.zip">PDT Update 3.3.1 (2014-09-16)</a></li>
-          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.3.0.201406110111.zip">PDT Update 3.3.0 (2014-06-11)</a></li>
-          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.2.0.201306051924.zip">PDT Update 3.2.0 (2013-06-05)</a></li>
-          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.1.2.201212211235.zip">PDT Update 3.1.2 (2012-12-21)</a></li>
-          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.1.1.201209101312.zip">PDT Update 3.1.1 (2012-09-10)</a></li>
+          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.5.0.201506101710.zip" rel="nofollow">PDT Update 3.5.0 (2015-06-24)</a></li>
+          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.4.0.201502171754.zip" rel="nofollow">PDT Update 3.4.0 (2015-02-27)</a></li>
+          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.3.2.201410231314.zip" rel="nofollow">PDT Update 3.3.2 (2014-10-23)</a></li>
+          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.3.1.201409161013.zip" rel="nofollow">PDT Update 3.3.1 (2014-09-16)</a></li>
+          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.3.0.201406110111.zip" rel="nofollow">PDT Update 3.3.0 (2014-06-11)</a></li>
+          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.2.0.201306051924.zip" rel="nofollow">PDT Update 3.2.0 (2013-06-05)</a></li>
+          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.1.2.201212211235.zip" rel="nofollow">PDT Update 3.1.2 (2012-12-21)</a></li>
+          <li><a href="https://www.eclipse.org/downloads/download.php?file=/tools/pdt/downloads/pdt-Update-3.1.1.201209101312.zip" rel="nofollow">PDT Update 3.1.1 (2012-09-10)</a></li>
         </ul>
   </div>
 </div>
@@ -193,7 +193,7 @@
     <div>
       <h2 id="docs">Docs</h2>
       <ul>
-        <li><a href="help/html/toc.htm">PDT User Manual</a>.
+        <li><a href="http://help.eclipse.org/mars/index.jsp?topic=%2Forg.eclipse.php.help%2Fhtml%2Findex.html">PDT User Manual</a>.
           All PDT features at a glance.
         </li>
         <li><a href="http://wiki.eclipse.org/index.php/PDT">PDT Wiki</a>.