fix a typo

Author: zloirock

CHANGELOG.md

@@ -1,7 +1,7 @@
 ## Changelog
 ##### Unreleased
 - Added polyfill of stable sort in `{ Array, %TypedArray% }.prototype.sort`, [#769](https://github.com/zloirock/core-js/issues/769)
-- Fixed `Safari` 14.0- `{ Array, %TypedArray% }.prototype.sort` validation of arguments bug
+- Fixed `Safari` 14.0- `%TypedArray%.prototype.sort` validation of arguments bug
 - `.at` marked as supported from V8 9.2
 
 ##### 3.13.1 - 2021.05.29