From 2e18f8b8ad347307146a0bfd18c53b0a684329bd Mon Sep 17 00:00:00 2001
From: Xu Wang <xuwang@stanford.edu>
Date: Tue, 6 Nov 2018 11:30:03 -0800
Subject: [PATCH] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 10c3a51..5950458 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ You can also join *git* slack channel on [SoM IRT Slack channel #svn_git_discuss
 ## <a name="422-error" ></a> Why do I get "422 Error" when sign-in?
 
 If you get this error the first time your sign-in, most likely, your email contact information in [StanfordYou](https://stanfordyou.stanford.edu/)
-is either private or doesn't exist. It can be caused by sponsorship changes.
+is either private or doesn't exist. It can be caused by sponsorship changes. The email must be in format of <your sunetid>.stanford.edu.
 
 gitlab.med.stanford.edu service requires your email address to log you in, and the email must be in stanford.edu domain and fully sponsored.
 You should be able to go to stanfordyou.stanford.edu and add your email address - 
-- 
GitLab