doc: Improve changelog entry

Author: effigies

changelog.d/20250216_174252_dominik.welke_fix_warn_message.md

@@ -19,7 +19,8 @@ Uncomment the section that is right (remove the HTML comment wrapper).
 
 ### Fixed
 
-- fix misleading ERROR/WARNING message
+- `TSV_INCORRECT_VALUE_TYPE*` error messages now indicate that a match
+  failed, instead of confusingly claim success.
 
 
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