diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 05ebb9ef9e73..5b445b5654f7 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -761,8 +761,8 @@ void v4l2_ctrl_grab(struct v4l2_ctrl *ctrl, bool grabbed);
  * An error is returned if one of the range arguments is invalid for this
  * control type.
  *
- * This function assumes that the control handler is not locked and will
- * take the lock itself.
+ * The caller is responsible for acquiring the control handler mutex on behalf
+ * of __v4l2_ctrl_modify_range().
  */
 int __v4l2_ctrl_modify_range(struct v4l2_ctrl *ctrl,
 			     s64 min, s64 max, u64 step, s64 def);