Update ci readme file to add one note

Change-Id: I9e8f4593910555b186520c6f50a67d31d8ea84dd
Signed-off-by: chengli3 <cheng1.li@intel.com>

diff --git a/ci/README.md b/ci/README.md
index 3536070..94fe85a 100644 (file)
--- a/ci/README.md
+++ b/ci/README.md
@@ -37,6 +37,8 @@ git clone --recursive "https://gerrit.akraino.org/r/ci-management"
 git clone "https://gerrit.akraino.org/r/icn"
 # create the jjb config file before moving on
 # https://docs.releng.linuxfoundation.org/en/latest/jenkins-sandbox.html
+# To install jenkins-job-builder, run 'pip install jenkins-job-builder' instead of 'apt install',
+# because the verions in apt repo is too old to work for icn
 jenkins-jobs test ci-management/jjb:icn/ci/jjb icn-master-verify
 jenkins-jobs update ci-management/jjb:icn/ci/jjb icn-master-verify
 ```