The GCS setting is for GCS credentials, not S3

Author: mhagander

docs/content/custom-resources/_index.md

@@ -345,7 +345,7 @@ The below code will help you set up this Secret.
 pgo_cluster_name=hippo
 # this variable is the namespace the cluster is being deployed into
 cluster_namespace=pgo
-# the following variables are your S3 key and key secret
+# this variable is your GCS credential
 backrest_gcs_key=/path/to/your/gcs/credential.json
 
 kubectl -n "${cluster_namespace}" create secret generic "${pgo_cluster_name}-backrest-repo-config" \