Update backup-and-restore.md

docs/docs/administration/backup-and-restore.md

@@ -77,7 +77,7 @@ docker start immich_postgres                      # Start Postgres server
 sleep 10                                          # Wait for Postgres server to start up
 docker exec -it immich_postgres bash              # Enter the Docker shell and run the following command
 # Check the database user if you deviated from the default. If your backup ends in `.gz`, replace `cat` with `gunzip`
-cat < '/dump.sql' \
+cat < "/dump.sql" \
 | sed "s/SELECT pg_catalog.set_config('search_path', '', false);/SELECT pg_catalog.set_config('search_path', 'public, pg_catalog', true);/g" \
 | psql --dbname=postgres --username=<DB_USERNAME> # Restore Backup
 exit                                              # Exit the Docker shell