diff --git a/infrastructure_files/setup.env b/infrastructure_files/setup.env
index 18acf28d3..1d5155a88 100644
--- a/infrastructure_files/setup.env
+++ b/infrastructure_files/setup.env
@@ -6,7 +6,9 @@ WIRETRUSTEE_DOMAIN=""
 WIRETRUSTEE_AUTH0_DOMAIN=""
 # e.g. 61u3JMXRO0oOevc7gCkZLCwePQvT4lL0
 WIRETRUSTEE_AUTH0_CLIENT_ID=""
-# e.g. https://app.mydomain.com/
+# e.g. https://app.mydomain.com/ or https://app.mydomain.com,
+# Make sure you used the exact same value for Identifier
+# you used when creating your Auth0 API
 WIRETRUSTEE_AUTH0_AUDIENCE=""
 # e.g. hello@mydomain.com
 WIRETRUSTEE_LETSENCRYPT_EMAIL=""