Add note to README about new servers

README.md

@@ -80,6 +80,9 @@ but in the meantime:
 TODO: This section is now out of date as we now have a blue/green deploy setup that allows us to build a new
       image with a new ruby version and deploy it side by side with the old version and switch over between them
 
+Note for new deploy on new servers: Make sure you run "bundle exec cap production puma:install" first. Otherwise the "puma:reload"
+capistrano task will fail
+
 ### Update the application code
 * Change `.ruby-version`. Run tests to make sure nothing has broken.