Consolidate D&D entity documentation

README.md

@@ -2,9 +2,9 @@
 
 Notarius is a Go CLI for turning source material into structured artifacts with
 configured extraction pipelines. The implemented D&D workflow reads Seriatim
-transcript JSON and can produce location registries and occurrences, scene
-descriptions, item and currency events, NPC identities, combat turns, NPC
-occurrences, enemy events, and spell casts.
+transcript JSON and can produce NPC, location, and item registries; their
+source-grounded occurrences; scene descriptions, combat turns, enemy events,
+and spell casts.
 
 ## Quickstart