diff --git a/review/persona_prompt.go b/review/persona_prompt.go
index 31ee837..54b77e1 100644
--- a/review/persona_prompt.go
+++ b/review/persona_prompt.go
@@ -92,7 +92,9 @@ func BuildPersonaSystemPrompt(p *Persona) string {
 }
 
 // BuildSystemPromptWithPersona constructs the full system prompt, using either
-// a persona or the default generic prompt.
+// a persona or the default generic prompt. This is a convenience wrapper that
+// combines BuildPersonaSystemPrompt (or BuildSystemBase) with patterns and conventions.
+// It is exported for use by callers who want one-shot prompt assembly.
 func BuildSystemPromptWithPersona(persona *Persona, conventions, patterns string) string {
 	var base string
 	if persona != nil {