diff --git a/mysql_xtrabackup.sh b/mysql_xtrabackup.sh
index 5920b5c..599efb1 100755
--- a/mysql_xtrabackup.sh
+++ b/mysql_xtrabackup.sh
@@ -12,7 +12,9 @@
 # xtrabackup --decompress --target-dir=/data/compressed/
 # xtrabackup --move-back --target-dir=/data/compressed/
 #
-
+# Make Replication
+# https://docs.percona.com/percona-xtrabackup/8.0/create-gtid-replica.html#3-move-the-backup-to-the-destination-server
+#
 usage()
 {
         echo "Usage: mysql_xtrabackup.sh -d /var/backup -n daily [-c 10 -s --compress --compress-threads=6 -e test@domain.org]"