Update doc in GRPCCompletionQueue.h

1 files changed, 9 insertions, 9 deletions

diff --git a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.h b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.h
index 603bf01939..ab8d714d22 100644
--- a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.h
+++ b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.h
@@ -36,15 +36,15 @@
 
 typedef void(^GRPCQueueCompletionHandler)(bool success);
 
-// This class lets one more easily use grpc_completion_queue. To use it, pass
-// the value of the unmanagedQueue property of an instance of this class to
-// grpc_call_start_invoke. Then for every grpc_call_* method that accepts a tag,
-// you can pass a block of type GRPCEventHandler (remembering to cast it using
-// __bridge_retained). The block is guaranteed to eventually be called, by a
-// concurrent queue, and then released. Each such block is passed a pointer to
-// the grpc_event that carried it (in event->tag).
-// Release the GRPCCompletionQueue object only after you are not going to pass
-// any more blocks to the grpc_call that's using it.
+// This class lets one more easily use |grpc_completion_queue|. To use it, pass the value of the
+// |unmanagedQueue| property of an instance of this class to |grpc_channel_create_call|. Then for
+// every |grpc_call_*| method that accepts a tag, you can pass a block of type
+// |GRPCQueueCompletionHandler| (remembering to cast it using |__bridge_retained|). The block is
+// guaranteed to eventually be called, by a concurrent queue, and then released. Each such block is
+// passed a |bool| that tells if the operation was successful.
+//
+// Release the GRPCCompletionQueue object only after you are not going to pass any more blocks to
+// the |grpc_call| that's using it.
 @interface GRPCCompletionQueue : NSObject
 @property(nonatomic, readonly) grpc_completion_queue *unmanagedQueue;