diff --git a/datasette/templates/debug_allowed.html b/datasette/templates/debug_allowed.html
index 031ff07d..876e6223 100644
--- a/datasette/templates/debug_allowed.html
+++ b/datasette/templates/debug_allowed.html
@@ -26,8 +26,8 @@
             <label for="action">Action (permission name):</label>
             <select id="action" name="action" required>
                 <option value="">Select an action...</option>
-                {% for permission_name in supported_actions %}
-                <option value="{{ permission_name }}">{{ permission_name }}</option>
+                {% for action_name in supported_actions %}
+                <option value="{{ action_name }}">{{ action_name }}</option>
                 {% endfor %}
             </select>
             <small>Only certain actions are supported by this endpoint</small>