Update CHANGELOG.md

Co-authored-by: joe petrowski <[email protected]>

CHANGELOG.md

@@ -16,7 +16,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ### Added
 
-- Enable async backing on Kusama  ([polkadot-fellows/runtimes#87](https://github.com/polkadot-fellows/runtimes/pull/87)). Context: https://github.com/paritytech/polkadot-sdk/pull/1543
+- Enable async backing on Kusama ([polkadot-fellows/runtimes#87](https://github.com/polkadot-fellows/runtimes/pull/87)). Context: https://github.com/paritytech/polkadot-sdk/pull/1543
 - Implemented GenesisBuilder API for all runtimes ([polkadot-fellows/runtimes#87](https://github.com/polkadot-fellows/runtimes/pull/87)). Context: https://github.com/paritytech/polkadot-sdk/pull/1492
 - XCM transport fees are now exponential and are sent to a treasury account ([polkadot-fellows/runtimes#87](https://github.com/polkadot-fellows/runtimes/pull/87)). Context: https://github.com/paritytech/polkadot-sdk/pull/1234
 - System parachains are now trusted teleporters of each other ([polkadot-fellows/runtimes#87](https://github.com/polkadot-fellows/runtimes/pull/87)). Context: https://github.com/paritytech/polkadot-sdk/pull/1368