add more detail to changelog entry

CHANGELOG.md

@@ -62,7 +62,7 @@ Every module contains its own CHANGELOG.md. Please refer to the module you are i
 * (client) [#19870](https://github.com/cosmos/cosmos-sdk/pull/19870) Add new query command `wait-tx`. Alias `event-query-tx-for` to `wait-tx` for backward compatibility.
 * (crypto/keyring) [#20212](https://github.com/cosmos/cosmos-sdk/pull/20212) Expose the db keyring used in the keystore.
 * (genutil) [#19971](https://github.com/cosmos/cosmos-sdk/pull/19971) Allow manually setting the consensus key type in genesis
-* (cli) [#20779](https://github.com/cosmos/cosmos-sdk/pull/20779) Query to retrieve each module hash at a specific height
+* (cli) [#20779](https://github.com/cosmos/cosmos-sdk/pull/20779) Added `module-hash-by-height` command to query and retrieve module hashes at a specified blockchain height, enhancing debugging capabilities.
 
 ### Improvements