diff --git a/README.md b/README.md
index 90cb314..6766085 100644
--- a/README.md
+++ b/README.md
@@ -42,5 +42,9 @@ docker run --rm -v volume-name:/recover/ -v ~/backup/:/backup/ "kevinveenbirkenb
 
 Restart the container.
 
+## Optimation
+This setup script is not optimized yet for performance. Please optimized this script for performance if you want to use it in a professional environment.
+
 ## More information
-See https://blog.ssdnodes.com/blog/docker-backup-volumes/.
+- https://blog.ssdnodes.com/blog/docker-backup-volumes/
+- https://www.baculasystems.com/blog/docker-backup-containers/
diff --git a/docker-volume-backup.sh b/docker-volume-backup.sh
index 33b86c0..cb7c1cc 100644
--- a/docker-volume-backup.sh
+++ b/docker-volume-backup.sh
@@ -1,5 +1,4 @@
 #!/bin/bash
-# @see https://www.freedesktop.org/software/systemd/man/machine-id.html
 backup_time="$(date '+%Y%m%d%H%M%S')";
 backups_folder="/Backups/";
 for docker_container_name in $(docker ps --format '{{.Names}}');