From dcf5f1ff384da2cf0dd6b38bb9062caed58e35c0 Mon Sep 17 00:00:00 2001
From: Muxi Yan <mxyan@google.com>
Date: Sat, 20 Oct 2018 10:03:59 -0700
Subject: [PATCH] Comments to GRPCChannelFactory

---
 src/objective-c/GRPCClient/private/GRPCChannelFactory.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/objective-c/GRPCClient/private/GRPCChannelFactory.h b/src/objective-c/GRPCClient/private/GRPCChannelFactory.h
index 492145da80b..14dc7079ba3 100644
--- a/src/objective-c/GRPCClient/private/GRPCChannelFactory.h
+++ b/src/objective-c/GRPCClient/private/GRPCChannelFactory.h
@@ -22,8 +22,10 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+/** A factory interface which generates new channel. */
 @protocol GRPCChannelFactory
 
+ /** Create a channel with specific channel args to a specific host. */
 - (nullable grpc_channel *)createChannelWithHost:(NSString *)host
                                      channelArgs:(nullable NSDictionary *)args;