Update 'Project Setup Guide Project: Serenity'

Project-Setup-Guide---Project%3A-Serenity.md

@@ -51,6 +51,10 @@ Run this to copy the public key to your clipboard:
 
 *If clip doesn't work, use `cat ~/.ssh/id_ed25519.pub` and copy it manually*
 
+*Omitting the email it generates, copy the output, and your key should look like the following:* 
+
+`ssh-ed25519 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX`
+
 ### 3. Add the Key to Your Gitea Account
 
 1. Go to https://repo.forgeworksinteractive.com/ in your browser.