Update scale-service.md (#1961)

Deleted "you can" because it shoud be "you must" in fact, so use imperative instead.
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Wang Jie 2017-02-28 05:11:01 +08:00 committed by John Mulhausen
parent b7bb7a29c2
commit 31d10935fb
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@ -55,7 +55,7 @@ the swarm.
528d68040f95 alpine:latest "ping docker.com" About a minute ago Up About a minute helloworld.4.auky6trawmdlcne8ad8phb0f1
```
If you want to see the containers running on other nodes, you can ssh into
If you want to see the containers running on other nodes, ssh into
those nodes and run the `docker ps` command.
## What's next?