diff --git a/docs/deployment/application-deployment.md b/docs/deployment/application-deployment.md
index 8bb6aa1c7..c0054ada8 100644
--- a/docs/deployment/application-deployment.md
+++ b/docs/deployment/application-deployment.md
@@ -59,6 +59,11 @@ git remote add dokku dokku@dokku.me:ruby-rails-sample
 git push dokku master
 ```
 
+> Please note that the string `dokku@dokku.me:ruby-rails-sample` here is not a URL.
+> It is [a scp-like syntax supported in Git](https://git-scm.com/docs/git-clone#_git_urls_a_id_urls_a).
+> You may want to replace it with the full URL `ssh://dokku@dokku.me/ruby-rails-sample` in practice.
+
+
 ```
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