Postgres-DB.md

@@ -119,7 +119,7 @@ The `/path/to/backup/location` is a mount to a container volume the is accessibl
 A more professional version that uses S3 is this script:
 
 ```bash
-set -e
+set -e # exit immediatly on exit code 1 (error)
 
 if [ $# -ne 4 ]; then
     echo "Usage: $0 <CONTAINER> <USER> <TARGETDIR> <PASSWORD>"