diff --git a/docs/environments/setup.md b/docs/environments/setup.md
index 3b6422adb06..9ee1ac4736e 100644
--- a/docs/environments/setup.md
+++ b/docs/environments/setup.md
@@ -83,7 +83,9 @@ A prerequisite for a successful build within CircleCI is [access to CircleCI’s
   | `COGNITO_SUFFIX` | Suffix of your choice for the Cognito URL |
   | `USTC_ADMIN_PASS` | Password of your choice used by the Cognito admin user |
   | `SES_DMARC_EMAIL` | Email address used with SES to which aggregate DMARC validations are sent |
-  | `IRS_SUPERUSER_EMAIL` | Email address used to serve all new petitions to the IRS |
+  | `IRS_SUPERUSER_EMAIL_STG` | Email address used to serve all new petitions to the IRS for STG |
+  | `IRS_SUPERUSER_EMAIL_TEST` | Email address used to serve all new petitions to the IRS for TEST |
+  | `IRS_SUPERUSER_EMAIL_PROD` | Email address used to serve all new petitions to the IRS for PROD |
 
 - Run a build in CircleCI.
   - The build may fail the first time, as provisioning new security certificates can take some time (and cause a timeout). See [the troubleshooting guide](../TROUBLESHOOTING.md) for solutions to common problems.