diff --git a/atlas/templates/atlas/collection_viva.html b/atlas/templates/atlas/collection_viva.html
index 5b0c0a84..14b78680 100644
--- a/atlas/templates/atlas/collection_viva.html
+++ b/atlas/templates/atlas/collection_viva.html
@@ -6,6 +6,7 @@
         <summary>Instructions</summary>
         <p>Click on the 'Show' button to view the case in the viewer. Click on the 'Open' button to open the case in a new window.</p>
         <p>Opening a second case will replace the first case in the viewer or window.</p>
+        <p>It is also possible to open a single series in the viewer or window by clicking on the 'Show' or 'Open' button next to the series.</p>
     </details>
                     {% comment %} <button class="show-collection no-padding" data-title="{{case.title}}" data-target="/ohif/viewer/dicomjson?url=https://www.penracourses.org.uk{% url 'atlas:collection_dicom_json' collection.pk %}">Show Collection</button> {% endcomment %}