Update modules/ai-agents/pages/agents/architecture-patterns.adoc

Co-authored-by: Joyce Fee <102751339+Feediver1@users.noreply.github.com>

Author: JakeSCahill

modules/ai-agents/pages/agents/architecture-patterns.adoc

@@ -108,7 +108,7 @@ Internal subagents provide domain isolation, allowing you to update the order su
 
 External A2A integration connects agents across organizational boundaries, platforms, or independent systems.
 
-NOTE: Cross-agent calling between separate Redpanda Cloud agents is not supported. This pattern applies to connecting Redpanda Cloud agents with external agents you host elsewhere.
+NOTE: Cross-agent calling between separate Redpanda Cloud agents is not supported. This pattern only applies to connecting Redpanda Cloud agents with external agents you host elsewhere.
 
 === When to use external A2A