diff --git a/biscuit/apps/alsijil/templates/alsijil/group_week.html b/biscuit/apps/alsijil/templates/alsijil/group_week.html
index 9b0f5a659aa73e151f6e30dd4cd5302977efdd85..48150c4efd39bd539d8ab5c1a195c48c445096d0 100644
--- a/biscuit/apps/alsijil/templates/alsijil/group_week.html
+++ b/biscuit/apps/alsijil/templates/alsijil/group_week.html
@@ -115,7 +115,7 @@
       <div class="card-body">
         <p>
           {% blocktrans %}
-            You must select a group to see the week summary.
+            You must select a group, a teacher or a room to see the week summary.
           {% endblocktrans %}
         </p>
       </div>