Added missing parameter in auth setup

Author: GitHub Actions

modules/authentication/proc-enabling-authentication-with-rhbk.adoc

@@ -35,7 +35,7 @@ Save the value for the next step:
 +
 --
 .`{my-app-config-file}` fragment with mandatory fields to enable authentication with {rhbk}
-[source,yaml]
+[source,yaml,subs="+attributes,+quotes"]
 ----
 auth:
   environment: production
@@ -76,7 +76,6 @@ To enable authentication without requiring to provision users in the {product-sh
 WARNING: Use this option to explore {product-short} features, but do not use it in production.
 +
 .`{my-app-config-file}` fragment with optional field to allow authenticating users absent from the software catalog
-
 [source,yaml]
 ----
 auth: