Bugfix in the built-in prompt references definition

docs/troubleshooting.md

@@ -119,8 +119,8 @@ Symptoms include:
 Fix:
 
 - Confirm the selected chunker, extractor, or normalizer declares the slot. The
-  implemented `dnd/spells` extractor declares optional `roster` and `glossary`
-  slots.
+  implemented `dnd/scenes` chunker and `dnd/spells` extractor declare optional
+  `roster` and `glossary` slots.
 - Use a specific selector when more than one selected target declares the same
   slot. Examples include `chunk.context=./context.txt`,
   `spells.extract.context=./extract-context.txt`, and
@@ -136,7 +136,8 @@ Fix:
 - Ensure the file is readable UTF-8 text and within any byte limit declared by
   the declaring module.
 - If the declaring module narrows accepted media types, use a file extension that
-  infers an accepted type such as `text/markdown` or `application/json`.
+  infers an accepted type such as `text/markdown`, `application/yaml`, or
+  `application/json`.
   Unknown extensions infer `application/octet-stream`.
 - If diagnostics are retained, inspect `resolved-pipeline.json`,
   `resolved-references.json`, and `error.log`.