update changelog

Author: cometkim

CHANGELOG.md

@@ -21,6 +21,7 @@
 - Make reanalyze exception tracking work with the new stdlib. https://github.com/rescript-lang/rescript/pull/7328
 - Fix Pervasive.max using boolean comparison for floats. https://github.com/rescript-lang/rescript/pull/7333
 - Experimental: Support nested/inline record types - records defined inside of other records, without needing explicit separate type definitions. https://github.com/rescript-lang/rescript/pull/7241
+- Add unified exponentiation (`**`) operator for numeric types using ES7 `**`. https://github.com/rescript-lang/rescript-compiler/pull/7153
 
 #### :boom: Breaking Change
 
@@ -161,7 +162,6 @@
 
 - Introduce "Unified operators" for arithmetic operators (`+`, `-`, `*`, `/`, `mod`). https://github.com/rescript-lang/rescript-compiler/pull/7057
 - Add remainder (`%`, aka modulus) operator. https://github.com/rescript-lang/rescript-compiler/pull/7152
-- Allow exponentiation (`**`) operator for `int` and `float`, using ES7 `**`. https://github.com/rescript-lang/rescript-compiler/pull/7153
 
 #### :bug: Bug fix