1 files changed, 5 insertions, 0 deletions
diff --git a/modules/rtp_rtcp/source/rtcp_sender.h b/modules/rtp_rtcp/source/rtcp_sender.h
index 027d3d0c13..2d1c7da0fc 100644
--- a/modules/rtp_rtcp/source/rtcp_sender.h
+++ b/modules/rtp_rtcp/source/rtcp_sender.h
@@ -69,6 +69,11 @@ class RTCPSender final {
     // TimeToSendRTCPReport/SendRTCP.
     // The RTCPSender client still needs to call TimeToSendRTCPReport/SendRTCP
     // to actually get RTCP sent.
+    //
+    // Note: It's recommended to use the callback to ensure program design that
+    // doesn't use polling.
+    // TODO(bugs.webrtc.org/11581): Make mandatory once downstream consumers
+    // have migrated to the callback solution.
     std::function<void(TimeDelta)> schedule_next_rtcp_send_evaluation_function;
 
     RtcEventLog* event_log = nullptr;