/admin/docker --> /admin/upgrade

docs/ADMIN-QUICK-START-GUIDE.md

@@ -196,7 +196,7 @@ See more advice at: http://blog.discourse.org/2014/08/building-a-discourse-commu
 
 - Hopefully you are running [in our Docker container install](https://github.com/discourse/discourse/blob/master/docs/INSTALL.md); it's the only one we officially support. It guarantees easy updates, and all recommended optimizations from the Discourse team.
 
-- You should get an email notification when new versions of Discourse are released. To upgrade your instance, visit [/admin/docker](/admin/docker) -- <kbd>upgrade</kbd> button will appear. Press it!
+- You should get an email notification when new versions of Discourse are released. To upgrade your instance, visit [/admin/upgrade](/admin/upgrade) -- <kbd>upgrade</kbd> button will appear. Press it!
 
 - Some other things you might eventually want to set up:
    - [Automatic daily backups](https://meta.discourse.org/t/configure-automatic-backups-for-discourse/14855)

docs/INSTALL-digital-ocean.md

@@ -122,7 +122,7 @@ You should see Staff topics and the [Admin Quick Start Guide](https://github.com
 
 # Post-Install Maintenance
 
-To **upgrade Discourse to the latest version**, visit `/admin/docker` and follow the instructions.
+To **upgrade Discourse to the latest version**, visit `/admin/upgrade` and follow the instructions.
 
 The `launcher` command in the `/var/discourse` folder can be used for various kinds of maintenance:
 

docs/MIGRATION.md

@@ -12,7 +12,7 @@ Only admins can perform backups, so sign in as an account with admin access on y
 
 Both the new and old Discourses **MUST BE ON THE EXACT SAME VERSION** to ensure proper backup/export. So the first thing we'll do is update our existing Discourse instance on Linode to the absolute latest version.
 
-Visit `/admin/docker` to upgrade.
+Visit `/admin/upgrade` to upgrade.
 
 (If you are running the [deprecated Ubuntu install][dep_ubuntu] you may need to follow [these update instructions][ubuntu_update].)