diff --git a/changedetectionio/templates/base.html b/changedetectionio/templates/base.html
index e67f8df8..8250baa2 100644
--- a/changedetectionio/templates/base.html
+++ b/changedetectionio/templates/base.html
@@ -86,7 +86,7 @@
             {% if dark_mode %}
             {% set darkClass = 'dark' %}
             {% endif %}
-            <button class="toggle-theme {{darkClass}}" type="button">
+            <button class="toggle-theme {{darkClass}}" type="button" title="Toggle Light/Dark Mode">
               <span class="visually-hidden">Toggle light/dark mode</span>
               <span class="icon-light">
                 {% include "svgs/light-mode-toggle-icon.svg" %}