Reconcile internal stateless documentation

docs/internal/generatedtext.md

@@ -34,8 +34,8 @@ template iteration rather than maps.
 Optional source stanzas become nil or fallback context fields. Missing required
 stanzas, type-decoding failures, invalid metadata, or a generated-text type
 that does not match the chosen handler fail before template execution. Prompt
-packages, raw Promptkit output, state persistence, and template asset lookup
-remain outside this package.
+packages, raw Promptkit output handling, and template asset lookup remain
+outside this package.
 
 ## Verification and invariants