diff --git a/aleksis/apps/alsijil/templates/alsijil/partials/register_coursebook.html b/aleksis/apps/alsijil/templates/alsijil/partials/register_coursebook.html
index cefa62ae2143f50875141ab0376defdd6070c0cd..ec54164d637bf7c7f7e56f3dcb98ecf4b0504b33 100644
--- a/aleksis/apps/alsijil/templates/alsijil/partials/register_coursebook.html
+++ b/aleksis/apps/alsijil/templates/alsijil/partials/register_coursebook.html
@@ -86,6 +86,7 @@
             {% endfor %}
           </td>
           <td class="lesson-te">
+            <!-- TODO: Why only with topic? Was already like this. But does it have to be with the new data-model?  -->
             {% if doc.topic %}
               {{ doc.get_teachers_short_names|join:', ' }}
             {% endif %}