diff --git a/contrib/readme.txt b/contrib/readme.txt
index 35790266d..483e867cd 100644
--- a/contrib/readme.txt
+++ b/contrib/readme.txt
@@ -1,4 +1,6 @@
 Steps: 
  1. make sure rpmbuild environment in your home is setup.
+    go get -u -tags "sqlite tidb pam cert" github.com/gogits/gogs
+    go build  -x tags "sqlite tidb pam cert"  .
  2. genereate gogs binary at gogs top directory.
  3. (cd contrib;make)