diff --git a/src/pages/kb/open-source/admin-guide/env-vars-settings.md b/src/pages/kb/open-source/admin-guide/env-vars-settings.md
index 17c9cbe03..f2df2c2f8 100644
--- a/src/pages/kb/open-source/admin-guide/env-vars-settings.md
+++ b/src/pages/kb/open-source/admin-guide/env-vars-settings.md
@@ -84,7 +84,7 @@ The follow is a list of settings and what they control:
 | `REDASH_DATE_FORMAT`                            | Moment.js format to be used throughout the web application                                                                                                                                                                                                         | DD/MM/YY                                                                                                                                   |
 | `REDASH_JWT_LOGIN_ENABLED`                      |                                                                                                                                                                                                                                                                    | false                                                                                                                                      |
 | `REDASH_JWT_AUTH_ISSUER`                        |                                                                                                                                                                                                                                                                    |                                                                                                                                            |
-| `REDASH_JWT_AUTH_PUBLIC_CERTS_URL`              |                                                                                                                                                                                                                                                                    |                                                                                                                                            |
+| `REDASH_JWT_AUTH_PUBLIC_CERTS_URL`              | RSA public key in JSON Web Key (JWK) format for HTTP, or PEM for a FILE location                                                                                                                                                                                   |                                                                                                                                            |
 | `REDASH_JWT_AUTH_AUDIENCE`                      |                                                                                                                                                                                                                                                                    |                                                                                                                                            |
 | `REDASH_JWT_AUTH_ALGORITHMS`                    |                                                                                                                                                                                                                                                                    | HS256,RS256,ES256                                                                                                                          |
 | `REDASH_JWT_AUTH_COOKIE_NAME`                   |                                                                                                                                                                                                                                                                    |                                                                                                                                            |