diff --git a/id.tjo.space/root/usr/local/bin/postgresql-backup-restore.sh b/id.tjo.space/root/usr/local/bin/postgresql-backup-restore
similarity index 78%
rename from id.tjo.space/root/usr/local/bin/postgresql-backup-restore.sh
rename to id.tjo.space/root/usr/local/bin/postgresql-backup-restore
index 81a4c5f..6c65982 100755
--- a/id.tjo.space/root/usr/local/bin/postgresql-backup-restore.sh
+++ b/id.tjo.space/root/usr/local/bin/postgresql-backup-restore
@@ -1,6 +1,15 @@
 #!/bin/bash
 set -euo pipefail
 
+# Restoring PostgreSQL Database
+#
+# The backup file from pg_dump (with format=custom)
+# must be provided via stdin.
+#
+# Example:
+#
+#   cat /path/to/backup.sql | postgresql-backup-restore
+
 echo "=== Reading Configuration"
 set -a && source /etc/postgresql/postgresql.env && set +a