diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 742fff40..289fdc19 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -138,4 +138,4 @@ python email_handler.py
 swaks --to e1@sl.local --from hey@google.com --server 127.0.0.1:20381
 ```
 
-Now open http://localhost:1080/, you should see the test email.
\ No newline at end of file
+Now open http://localhost:1080/ (or http://localhost:1080/ for MailHog), you should see the forwarded email.
\ No newline at end of file