Align provenance wording with paper; add non-binding use request

README.md

@@ -189,7 +189,8 @@ knot_data/
 - KNOT-Concept contains dual-use scientific content (biosecurity, cybersecurity, chemistry)
 - All hazardous content follows the WMDP threat model, removing operational specifics
 - Researchers should follow institutional safety policies when using this dataset
-- Public figure information in KNOT-Entity is sourced from publicly available Wikipedia/Wikidata
+- **Use request (non-binding)**: The authors request that KNOT not be used for re-identification of subjects, harassment, or capability-uplift purposes
+- QA pairs about real public figures in KNOT-Entity are synthetically generated by LLMs from publicly available Wikipedia/Wikidata source material; no real private information about any individual is included
 
 ## Use Cases