Merge branch 'master' into 'master'

Fix link to "Getting started with GitLab and DigitalOcean" page.

See merge request gitlab-org/gitlab-ce!17944

doc/install/README.md

@@ -36,7 +36,7 @@ the full process of installing GitLab on Google Container Engine (GKE), pushing
 - [Install on AWS](https://about.gitlab.com/aws/)
 - _Testing only!_ [DigitalOcean and Docker Machine](digitaloceandocker.md) -
   Quickly test any version of GitLab on DigitalOcean using Docker Machine.
-- [Getting started with GitLab and DigitalOcean](ttps://about.gitlab.com/2016/04/27/getting-started-with-gitlab-and-digitalocean/): requirements, installation process, updates.
+- [Getting started with GitLab and DigitalOcean](https://about.gitlab.com/2016/04/27/getting-started-with-gitlab-and-digitalocean/): requirements, installation process, updates.
 - [Demo: Cloud Native Development with GitLab](https://about.gitlab.com/2017/04/18/cloud-native-demo/): video demonstration on how to install GitLab on Kubernetes, build a project, create Review Apps, store Docker images in Container Registry, deploy to production on Kubernetes, and monitor with Prometheus.
 
 ## Database