Update changelog

CHANGELOG.md

@@ -5,6 +5,8 @@ Note that since we don't clearly distinguish between a public and private interf
 
 
 ## [Unreleased]
+- Add custom labels to Confal pyramids
+- Improve naming of some internal types in Confal pyramids extension coordinate
 
 ## [v3.13.0] - 2022-07-24