Update src/cookbook/gradual-compositionapi-migration.md

Co-authored-by: Ben Hong <[email protected]>

Author: sdras

src/cookbook/gradual-compositionapi-migration.md

@@ -251,6 +251,7 @@ Not everything needs to be refactored, though. Use judgement to guide you and no
 Remember: the strength of the Composition API is in:
 
 - Reuse
+- Organization
 - Explicitly stating what's being returned
 - Flexibility