diff --git a/.env.example b/.env.example
index c633744..f8e4617 100644
--- a/.env.example
+++ b/.env.example
@@ -53,9 +53,11 @@ mail__from="'Acme Support' <support@example.com>"
 # The update commands won't work
 # GHOST_VERSION=6-alpine
 
-# Port Ghost should listen on
-# You should only need to edit this if you want to host
-# multiple sites on the same server
+# Internal port referenced by the migration script (scripts/migrate.sh)
+# when you opt out of Caddy and run your own webserver — it's printed in
+# the "forward traffic to 127.0.0.1:<port>" message. It does NOT change
+# the port Ghost listens on: Ghost binds 2368 internally and Caddy proxies
+# to it. To change the public port, set HTTP_PORT / HTTPS_PORT above.
 # GHOST_PORT=2368
 
 # Data locations