Approval.

id/startpage.php

@@ -8,3 +8,4 @@ $startpage['for_example'] = 'For Example ...';
 $startpage['all_topics'] = 'All Topics';
 $startpage['about'] = 'Topics, stories, exhibitions at museum-digital.';
 $startpage['meta_description'] = 'The themator is museum-digital\'s tool for digital storytelling.';
+$startpage['meta_keywords'] = 'Digital storytelling, exhibitions, teaching, education, museums';