correcting lightspeed link

Author: kalexand-rh

_templates/_page_openshift.html.erb

@@ -265,7 +265,7 @@
               <option value="1.8">1.8</option>
             </select>
         <% elsif (distro_key == "openshift-lightspeed") %>
-            <a href="https://docs.openshift.com/lightspeed/<%= version %>/about/ols-openshift-lightspeed-overview.html">
+            <a href="https://docs.openshift.com/lightspeed/<%= version %>/about/ols-about-openshift-lightspeed.html">
               <%= distro %>
             </a>
             <select id="version-selector" onchange="versionSelector(this);">