Don't break up i18n string

cms/templates/activation_invalid.html

@@ -18,7 +18,9 @@
         <h1 class="title">${_('Your account activation is invalid')}</h1>
         <div class="copy">
           <p>${_("We're sorry. Something went wrong with your activation. Check to make sure the URL you went to was correct &mdash; e-mail programs will sometimes split it into two lines.")}</p>
-          <p>${_("If you still have issues, contact edX Support. In the meatime, you can also return to")} <a href="/">{_('the Studio homepage.')}</a></p>
+          <p>${_("If you still have issues, contact edX Support. In the meantime, you can also return to {link_start}the Studio homepage.{link_end}").format(
+              link_start='<a href="/">', link_end="</a>"
+            )}</p>
         </div>
       </div>