docs: fixed link

Author: hansu

docs/src/index.tmpl

@@ -319,7 +319,7 @@ into LinuxCNC.
 
 <h3>Man Pages</h3>
 <div style="margin-top: 0em; margin-bottom: 1em; line-height: 150%">
-<p>For more information about man pages see the <a href="common/linux-faq.html">Linux FAQ</a></p>
+<p>For more information about man pages see the <a href="common/linux-faq.html#faq:man-pages">Linux FAQ</a></p>
 </div>
 <p><input type="button" id="manExpand" value="Expand Man Pages" onclick="return toggle_section(this);"/>
    <input type="button" id="manCollapse" value="Collapse Man Pages" onclick="return toggle_section(this);"/></p>