Updating readme for clarity on git push step

https://www.digitalocean.com/community/questions/refactorin-git-remote-add-dokku-dokku-dokku-me-ruby-rails-sample

docs/deployment/application-deployment.md

@@ -146,6 +146,7 @@ If you do not enter a fully qualified domain name when pushing your app, Dokku d
 ```shell
 # from your local machine
 # the remote username *must* be dokku or pushes will fail
+# the below example assumes your app server domain or IP is dokku.me. Push in the form of: dokku@{serveripordomain}:{dokkuappname} 
 git remote add dokku dokku@dokku.me:ruby-getting-started
 git push dokku main:master
 ```