Update declarative-setup.md

Signed-off-by: willrnt <[email protected]>

Author: willrnt

docs/operator-manual/declarative-setup.md

@@ -717,7 +717,7 @@ metadata:
   name: argocd-server
 ```
 
-Note: In an air-gapped environment, argocd-k8s-auth will need to trust the cloud providers CA certificates and it will not inherit trust from the default /app/config/tls directory as is defaulted in the helm chart. Instead, the certificates will need to be manually mounted in to the /etc/ssl/certs directory. Specifically, it will need to trust the cloud providers CA certificates as opposed to the certs on the actual Kubernetes API server endpoint.
+Note: In an air-gapped environment, argocd-k8s-auth may need to trust a custom CA and it will not inherit trust from the default /app/config/tls directory as is defaulted in the helm chart. Instead, any custom certificates will need to be manually mounted in to the /etc/ssl/certs directory to be trusted by the argocd-k8s-auth binary when authenticating with the cloud provider.
 
 #### IAM Permission Policy