Fix typo in database restore documentation example (#1197).

docs/how-to/backup-your-databases.md

@@ -544,12 +544,13 @@ Or from the configuration file:
 postgresql_databases:
     - name: users
         hostname: database1.example.org
-        restore_hostname: database1.example.org
+        restore_hostname: database2.example.org
         restore_port: 5433
         restore_username: postgres
         restore_password: trustsome1
 ```
 
+
 ### Manual restoration
 
 If you prefer to restore a database without the help of borgmatic, first