Add missing translation

locales/en/LC_MESSAGES/messages.po

@@ -47,6 +47,9 @@ msgstr "Username"
 msgid "{login:processing}"
 msgstr "Processing..."
 
+msgid "Back"
+msgstr "Back"
+
 msgid "{errors:title_METADATA}"
 msgstr "Error loading metadata"
 

locales/nl/LC_MESSAGES/messages.po

@@ -44,6 +44,9 @@ msgstr "Toestandsinformatie verloren"
 msgid "{login:username}"
 msgstr "Gebruikersnaam"
 
+msgid "Back"
+msgstr "Terug"
+
 msgid "{errors:title_METADATA}"
 msgstr "Fout bij het laden van metadata"
 

modules/core/templates/show_metadata.twig

@@ -13,7 +13,6 @@
         </div>
     </div>
     <div class="center">
-        {# TODO: translation needed #}
         <a href="{{ backlink }}" class="pure-button pure-button-red">{{ 'Back'|trans }}</a>
     </div>
 {% endblock content %}