adding a missing quotation mark

Author: kalexand-rh

_templates/_page_openshift.html.erb

@@ -54,7 +54,7 @@
       </span>
       <% end %>
 
-      <% if (version == "4.13") && (distro_key != "openshift-webscale || "openshift-dpu") %>
+      <% if (version == "4.13") && (distro_key != "openshift-webscale" || "openshift-dpu") %>
       <span>
         <div class="alert alert-danger" role="alert" id="support-alert">
           <strong>This documentation is a work in progress that aligns to preview releases of the next pending OpenShift Container Platform version 4 minor release. It might not be complete or fully tested, and some features and content might be removed before the next release. For the most recent released and supported version, see <a href="https://docs.openshift.com/container-platform/latest/welcome/index.html" style="color: #545454 !important" class="link-primary">[4]</a>.