diff --git a/guides/source/upgrading_ruby_on_rails.md b/guides/source/upgrading_ruby_on_rails.md
index 51f79f44f5813c67a9faa89bc61d0ef867bef596..7ef51b6dc07f273239b721386b7f9afbfa8fb192 100644
--- a/guides/source/upgrading_ruby_on_rails.md
+++ b/guides/source/upgrading_ruby_on_rails.md
@@ -231,7 +231,7 @@ class Notifier < ActionMailer::Base
   end
 end
 
-mail = Notifier.notify(user, ...) # Notifier#welcome is not yet called at this point
+mail = Notifier.notify(user, ...) # Notifier#notify is not yet called at this point
 mail = mail.deliver_now           # Prints "Called"
 ```