chore: add changelog entry

Author: raimundo-henriques

specs/index.bs

@@ -1,5 +1,9 @@
 <pre class='metadata'>
+<<<<<<< HEAD
 Title: iLEAP Technical Specifications (Version 0.2.1-20240903)
+=======
+Title: iLEAP Technical Specifications (Version 0.2.1-20240930)
+>>>>>>> e086402 (chore: add changelog entry)
 Shortname: ileap-extension
 Status: LD
 Status Text: Draft Technical Specification
@@ -2410,6 +2414,10 @@ properties that cannot be derived from `HOC` CAN be populated in a best-effort m
 
 # Appendix A: Changelog # {#changelog}
 
+## Version 0.2.1-20240930 (2024-09-30) ## {#version-20240930}
+
+- provide better guidance on [[#pcf-mapping]]
+
 ## Version 0.2.1-20240903 (2024-09-03) ## {#version-20240903}
 
 - make application of <{Location/iata}> and <{Location/uic}> more explicit