diff --git a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCAVFoundationVideoSource.h b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCAVFoundationVideoSource.h
index 254196d9e1..6d369b3403 100644
--- a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCAVFoundationVideoSource.h
+++ b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCAVFoundationVideoSource.h
@@ -18,6 +18,8 @@
 NS_ASSUME_NONNULL_BEGIN
 
 /**
+ * DEPRECATED Use RTCCameraVideoCapturer instead.
+ *
  * RTCAVFoundationVideoSource is a video source that uses
  * webrtc::AVFoundationVideoCapturer. We do not currently provide a wrapper for
  * that capturer because cricket::VideoCapturer is not ref counted and we cannot