From 609eca0e362764f31b9e17ef2babb957fcdd322c Mon Sep 17 00:00:00 2001
From: Wenbo Zhu <wenboz@google.com>
Date: Thu, 30 Mar 2017 16:18:14 -0700
Subject: [PATCH] Update PROTOCOL-WEB.md

Clarify the use of U-A header.
---
 doc/PROTOCOL-WEB.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/PROTOCOL-WEB.md b/doc/PROTOCOL-WEB.md
index 5f01af3627..6bb280894a 100644
--- a/doc/PROTOCOL-WEB.md
+++ b/doc/PROTOCOL-WEB.md
@@ -83,7 +83,8 @@ in the body.
 
 User Agent
 
-* U-A: grpc-web-javascript
+* Do NOT use User-Agent header (which is to be set by browsers, by default)
+* Use X-User-Agent: grpc-web-javascript/0.1 (follow the same format as specified in [gRPC over HTTP2](http://www.grpc.io/docs/guides/wire.html))
 
 ---
 
-- 
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