Update topbanner.html

Author: r-brown

Diff for: _includes/topbanner.html

@@ -1,5 +1,5 @@
 <div class="row NL_topbanner">
-    <a href="https://stadt.muenchen.de/infos/ukraine.html#Helfen" target="_blank">
+    <a href="https://stadt.muenchen.de/infos/ukraine.html#Helfen" target="_blank" rel="noopener nofollow">
     <p>NetLicensing stands with our friends, colleagues, and family members in Ukraine, and with all the people of Ukraine!<br/>Willing to help too? Click here.</p>
     </a>
 </div>