Update b_n_r-backup_restore-mysql.de.md

docs/backup_restore/b_n_r-backup_restore-mysql.de.md

@@ -2,7 +2,7 @@
 
 ```
 cd /pfad/zu/mailcow-dockerized
-Quelle mailcow.conf
+source mailcow.conf
 DATE=$(Datum +"%Y%m%d_%H%M%S")
 docker-compose exec -T mysql-mailcow mysqldump --default-character-set=utf8mb4 -u${DBUSER} -p${DBPASS} ${DBNAME} > backup_${DBNAME}_${DATE}.sql
 ```
@@ -14,6 +14,6 @@ docker-compose exec -T mysql-mailcow mysqldump --default-character-set=utf8mb4 -
 
 ```
 cd /pfad/zu/mailcow-dockerized
-Quelle mailcow.conf
+source mailcow.conf
 docker exec -i $(docker-compose ps -q mysql-mailcow) mysql -u${DBUSER} -p${DBPASS} ${DBNAME} < backup_file.sql
-```
+```