Fix a typo in CONTRIBUTING.md
`seperate` -> `separate`
@@ -102,7 +102,7 @@ the contributors guide.
<p>
Register for the Docker Community Slack at
<a href="https://community.docker.com/registrations/groups/4316" target="_blank">https://community.docker.com/registrations/groups/4316</a>.
- We use the #moby-project channel for general discussion, and there are seperate channels for other Moby projects such as #containerd.
+ We use the #moby-project channel for general discussion, and there are separate channels for other Moby projects such as #containerd.
Archives are available at <a href="https://dockercommunity.slackarchive.io/" target="_blank">https://dockercommunity.slackarchive.io/</a>.
</p>
</td>
