diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
index a8d12bd50d22..9d28ac3fc237 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
@@ -358,6 +358,10 @@ still cause this situation.
       - 0xa20000
       - The class containing RF tuner controls. These controls are
 	described in :ref:`rf-tuner-controls`.
+    * - ``V4L2_CTRL_CLASS_DETECT``
+      - 0xa30000
+      - The class containing motion or object detection controls. These controls
+        are described in :ref:`detect-controls`.
 
 Return Value
 ============