clean up changelog

Author: bobzhang

CHANGELOG.md

@@ -28,9 +28,11 @@
 
 - Fix issue where async as an id cannot be used with application and labelled arguments https://github.com/rescript-lang/syntax/issues/707
 
-- Fix 5557 the exhaustive checking for Char is incorrect during the unicode migration
+- Fix 5557 the exhaustive checking for Char is incorrect during the unicode migration https://github.com/rescript-lang/rescript-compiler/pull/5749
 
-- Fix 5753 the comment for unicode char is inaccurate
+- Fix 5753 the comment for unicode char is inaccurate https://github.com/rescript-lang/syntax/pull/709
+
+- Internal changes: the payload of Pconst_char from char to int  type safety. https://github.com/rescript-lang/syntax/pull/709
 
 # 10.1.0-rc.2
 
@@ -77,7 +79,7 @@
 - Add `loading`, `aria-*` DOM element attributes in `JsxDOM.domProps`: `ariaCurrent`, `ariaInvalid`, `ariaAutocomplete`, etc.
 - Change the internal representation of props for the lowercase components to record. https://github.com/rescript-lang/syntax/pull/665
 - Add `JsxPPXReactSupport` module to relocate the helper functions for JSX v4 from `rescript-react`
-- Change the payload of Pconst_char for type safety. https://github.com/rescript-lang/syntax/pull/709
+
 
 # 10.1.0-alpha.2