diff --git a/CHANGELOG.md b/CHANGELOG.md
index 842635e278ea..7a1419e91d88 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -62,6 +62,9 @@ Every module contains its own CHANGELOG.md. Please refer to the module you are i
 * (client) [#19905](https://github.com/cosmos/cosmos-sdk/pull/19905) Add grpc client config to `client.toml`.
 * (genutil) [#19971](https://github.com/cosmos/cosmos-sdk/pull/19971) Allow manually setting the consensus key type in genesis
 * (runtime) [#19953](https://github.com/cosmos/cosmos-sdk/pull/19953) Implement `core/transaction.Service` in runtime.
+* (runtime) [#18475](https://github.com/cosmos/cosmos-sdk/pull/18475) Adds an implementation for `core.branch.Service`.
+* (runtime) [#19004](https://github.com/cosmos/cosmos-sdk/pull/19004) Adds an implementation for `core/header.Service` in runtime.
+* (runtime) [#20238](https://github.com/cosmos/cosmos-sdk/pull/20238) Adds an implementation for `core/comet.Service` in runtime.
 * (tests) [#20013](https://github.com/cosmos/cosmos-sdk/pull/20013) Introduce system tests to run multi node local testnet in CI
 * (crypto/keyring) [#20212](https://github.com/cosmos/cosmos-sdk/pull/20212) Expose the db keyring used in the keystore.
 * (client/tx) [#20870](https://github.com/cosmos/cosmos-sdk/pull/20870) Add `timeout-timestamp` field for tx body defines time based timeout.Add `WithTimeoutTimestamp` to tx factory. Increased gas cost for processing newly added timeout timestamp field in tx body.
diff --git a/runtime/environment.go b/runtime/environment.go
index 3fc3c863958a..cfe70414f169 100644
--- a/runtime/environment.go
+++ b/runtime/environment.go
@@ -64,7 +64,7 @@ func EnvWithMemStoreService(memStoreService store.MemoryStoreService) EnvOption
 }
 
 // failingMsgRouter is a message router that panics when accessed
-// this is to ensure all fields are set by in environment
+// this is to ensure all fields are set in environment
 type failingMsgRouter struct {
 	baseapp.MessageRouter
 }
@@ -86,7 +86,7 @@ func (failingMsgRouter) HybridHandlerByMsgName(msgName string) func(ctx context.
 }
 
 // failingQueryRouter is a query router that panics when accessed
-// this is to ensure all fields are set by in environment
+// this is to ensure all fields are set in environment
 type failingQueryRouter struct {
 	baseapp.QueryRouter
 }
@@ -112,7 +112,7 @@ func (failingQueryRouter) SetInterfaceRegistry(interfaceRegistry codectypes.Inte
 }
 
 // failingMemStore is a memstore that panics when accessed
-// this is to ensure all fields are set by in environment
+// this is to ensure all fields are set in environment
 type failingMemStore struct {
 	store.MemoryStoreService
 }
diff --git a/runtime/router.go b/runtime/router.go
index 86ba89289d47..ff873f271738 100644
--- a/runtime/router.go
+++ b/runtime/router.go
@@ -15,7 +15,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/baseapp"
 )
 
-// NewMsgRouterService implements router.Service.
+// NewMsgRouterService return new implementation of router.Service.
 func NewMsgRouterService(msgRouter baseapp.MessageRouter) router.Service {
 	return &msgRouterService{
 		router: msgRouter,
@@ -75,7 +75,7 @@ func (m *msgRouterService) Invoke(ctx context.Context, msg gogoproto.Message) (g
 	return msgResp, nil
 }
 
-// NewQueryRouterService implements router.Service.
+// NewQueryRouterService return new implementation of router.Service.
 func NewQueryRouterService(queryRouter baseapp.QueryRouter) router.Service {
 	return &queryRouterService{
 		router: queryRouter,
diff --git a/runtime/store.go b/runtime/store.go
index 817d9719a64a..32097fb41bbe 100644
--- a/runtime/store.go
+++ b/runtime/store.go
@@ -63,34 +63,32 @@ func (failingStoreService) OpenTransientStore(ctx context.Context) store.KVStore
 }
 
 // CoreKVStore is a wrapper of Core/Store kvstore interface
-// Remove after https://github.com/cosmos/cosmos-sdk/issues/14714 is closed
 type coreKVStore struct {
 	kvStore storetypes.KVStore
 }
 
 // NewKVStore returns a wrapper of Core/Store kvstore interface
-// Remove once store migrates to core/store kvstore interface
 func newKVStore(store storetypes.KVStore) store.KVStore {
 	return coreKVStore{kvStore: store}
 }
 
-// Get returns nil iff key doesn't exist. Errors on nil key.
+// Get returns value corresponding to the key. Panics on nil key.
 func (store coreKVStore) Get(key []byte) ([]byte, error) {
 	return store.kvStore.Get(key), nil
 }
 
-// Has checks if a key exists. Errors on nil key.
+// Has checks if a key exists. Panics on nil key.
 func (store coreKVStore) Has(key []byte) (bool, error) {
 	return store.kvStore.Has(key), nil
 }
 
-// Set sets the key. Errors on nil key or value.
+// Set sets the key. Panics on nil key or value.
 func (store coreKVStore) Set(key, value []byte) error {
 	store.kvStore.Set(key, value)
 	return nil
 }
 
-// Delete deletes the key. Errors on nil key.
+// Delete deletes the key. Panics on nil key.
 func (store coreKVStore) Delete(key []byte) error {
 	store.kvStore.Delete(key)
 	return nil