Update CHANGELOG.md

CHANGELOG.md

@@ -117,7 +117,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (light-clients/solomachine) [#1839](https://github.com/cosmos/ibc-go/issues/1839) Fixed usage of the new diversifier in validation of changing diversifiers for the solo machine. The current diversifier must sign over the new diversifier.
 * (light-clients/07-tendermint) [\#1674](https://github.com/cosmos/ibc-go/pull/1674) Submitted ClientState is zeroed out before checking the proof in order to prevent the proposal from containing information governance is not actually voting on.
 * (modules/core/02-client)[\#1676](https://github.com/cosmos/ibc-go/pull/1676) ClientState must be zeroed out for `UpgradeProposals` to pass validation. This prevents a proposal containing information governance is not actually voting on.
-* (modules/core/keeper) [\#2268](https://github.com/cosmos/ibc-go/pull/2403) Added a function in keeper to cater for blank pointers.
+* (modules/core/keeper) [\#2403](https://github.com/cosmos/ibc-go/pull/2403) Added a function in keeper to cater for blank pointers.
 
 ## [v4.1.0](https://github.com/cosmos/ibc-go/releases/tag/v4.1.0) - 2022-09-20