diff --git a/xCAT-server/etc/init.d/xcatd b/xCAT-server/etc/init.d/xcatd
index 0f40a5fee..27aa99d35 100755
--- a/xCAT-server/etc/init.d/xcatd
+++ b/xCAT-server/etc/init.d/xcatd
@@ -54,7 +54,7 @@ MStatus()
 }
 
 if [ -f /etc/init.d/functions ]; then
-  #echo RH
+  # EL8-
   . /etc/init.d/functions
   START_DAEMON=daemon
   STATUS=MStatus
@@ -62,6 +62,7 @@ if [ -f /etc/init.d/functions ]; then
   LOG_FAILURE=RHFailure
   LOG_WARNING=passed
 elif [ -f /etc/rc.d/init.d/functions ]; then
+  # EL9+
   . /etc/rc.d/init.d/functions
   START_DAEMON=daemon
   STATUS=MStatus