diff --git a/README.md b/README.md
index 69c8598811fd60a8bc8c8f798f07ba4f0fb65db9..fed808a26f6ef99ed36c0b547b3f75d1571743ed 100644
--- a/README.md
+++ b/README.md
@@ -13,9 +13,10 @@ art_analysis repository is recommended to use
 * clone repository
 * change directory to src directory
 * make
+* make install (recommended for ROOT6 to be installed into the same directory of artemis)
 * load shared library named libuser.so at the beginning of artemislogon.C
 
-## How to clone
+## How to clone (from gitlab in CNS)
 
 In order to cloning artemis share code via ssh, it is convenient to
 setup the ssh config as described below.
@@ -39,6 +40,7 @@ git clone gitlab@gitlab.cns.s.u-tokyo.ac.jp:artemis/artemis-share.git
 
 
 ## History
+2020-12-04 Remote repository for github with ROOT6 compatibility
 2019-08-01 Remote repository was moved to gitlab (Ota)
 2015-02-18 Add explanation of this file and other contents (Ota)
 2014-06-22 File created (Kawase)