Update updating-our-containers.md

general/updating-our-containers.md

@@ -58,12 +58,10 @@ docker-compose up -d <container_name>
 Or, to update all containers at once:
 
 ```bash
-docker-compose pull --parallel
+docker-compose pull
 docker-compose up -d
 ```
 
-{% hint style="info" %} The `--parallel` flag will pull down all available images in multiple threads, rather than one at a time.{% endhint %}
-
 ## Removing old images
 
 Whenever a Docker image is updated, a fresh version of that image gets downloaded and stored on your host machine. Doing this, however, does not remove the _old_ version of the image. Eventually you will end up with a lot of disk space used up by stale images. You can `prune` old images from your system, which will free up space: