Minor Cleanup of RTCAudioSource.

webrtc/sdk/objc/Framework/Headers/WebRTC/RTCAudioSource.h

Index: webrtc/sdk/objc/Framework/Headers/WebRTC/RTCAudioSource.h
diff --git a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCAudioSource.h b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCAudioSource.h
index 3ce859e4b38057efd24f544027b227bffcfe4d70..3db31573cb85a4b128874a5dda34017f733fb59a 100644
--- a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCAudioSource.h
+++ b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCAudioSource.h
@@ -20,11 +20,11 @@ RTC_EXPORT
 
 - (instancetype)init NS_UNAVAILABLE;
 
-// Sets the volume for the RTCMediaSource. |volume] is a gain value in the range
+// Sets the volume for the RTCMediaSource. |volume| is a gain value in the range
 // [0, 10].
-// Temporary fix to be able to modify volume of remote audio tracks
-// TODO: property stays here temporarily until a proper volume-api is avaialble
-// on the surface exposed by webrtc
+// Temporary fix to be able to modify volume of remote audio tracks.
+// TODO(kthelgason): Property stays here temporarily until a proper volume-api
+// is available on the surface exposed by webrtc.
 @property(nonatomic, assign) double volume;
 
 @end