diff --git a/docs/INSTALL-cloud.md b/docs/INSTALL-cloud.md
index 5383f7e17e..3cd426a8ca 100644
--- a/docs/INSTALL-cloud.md
+++ b/docs/INSTALL-cloud.md
@@ -66,7 +66,7 @@ We recommend Nano because it's simple; just use your arrow keys to edit.
 
 <img src="https://www.discourse.org/images/install/14/console-nano-app-yml.png?v=1" width="600px">
 
-Please be careful while editing; YAML is very sensitive to incorrect spacing and misplaced characters. After completing your edits, press <kbd>Ctrl</kbd><kbd>O</kbd> then <kbd>Enter</kbd> to save and <kbd>Ctrl</kbd><kbd>X</kbd> to exit.
+Please be careful while editing and double check your work; YAML is _very_ sensitive to incorrect spacing and misplaced characters. After completing your edits, press <kbd>Ctrl</kbd><kbd>O</kbd> then <kbd>Enter</kbd> to save and <kbd>Ctrl</kbd><kbd>X</kbd> to exit.
 
 # Email Is Important
 
@@ -78,6 +78,8 @@ Please be careful while editing; YAML is very sensitive to incorrect spacing and
 
 - For proper email deliverability, you must set correct SPF and DKIM records in your DNS. See your email provider instructions for specifics.
 
+If you need to change or fix your email settings, you must edit the `app.yml` file again and re-bootstrap, otherwise your changes will not take effect.
+
 # Bootstrap Discourse
 
 Save the `app.yml` file, and begin bootstrapping Discourse: