Apply suggestions from code review

use attributes

Author: themr0c

modules/installation/proc-deploy-rhdh-instance-eks.adoc

@@ -44,15 +44,15 @@ data:
 ----
 --
 
-. Create a Secret named `my-rhdh-secrets` and add a key named `BACKEND_SECRET` with a `Base64-encoded` string as value:
+. Create a Secret named `{my-product-secrets}` and add a key named `BACKEND_SECRET` with a `Base64-encoded` string as value:
 +
 --
-[source,yaml]
+[source,yaml,subs="+attributes,+quotes"]
 ----
 apiVersion: v1
 kind: Secret
 metadata:
-  name: my-rhdh-secrets
+  name: {my-product-secrets}
 stringData:
   # TODO: See https://backstage.io/docs/auth/service-to-service-auth/#setup
   BACKEND_SECRET: "xxx"
@@ -85,7 +85,7 @@ kubectl patch serviceaccount default \
 . Create a Custom Resource file using the following template:
 +
 --
-[source,yaml,subs="attributes+"]
+[source,yaml,subs="+attributes,+quotes"]
 ----
 apiVersion: rhdh.redhat.com/v1alpha3
 kind: Backstage
@@ -103,7 +103,7 @@ spec:
         - name: "app-config-rhdh"
     extraEnvs:
       secrets:
-        - name: "my-rhdh-secrets"
+        - name: {my-product-secrets}
 ----
 --