diff --git a/client/v2/broadcast/comet/comet.go b/client/v2/broadcast/comet/comet.go
index d1a1ec670be5..e0cfc05a8413 100644
--- a/client/v2/broadcast/comet/comet.go
+++ b/client/v2/broadcast/comet/comet.go
@@ -60,7 +60,7 @@ type CometRPC interface {
 	) (*coretypes.ResultBlockSearch, error)
 }
 
-var _ broadcast.Broadcaster = CometBFTBroadcaster{}
+var _ broadcast.Broadcaster = &CometBFTBroadcaster{}
 
 // CometBFTBroadcaster implements the Broadcaster interface for CometBFT consensus engine.
 type CometBFTBroadcaster struct {
@@ -69,7 +69,7 @@ type CometBFTBroadcaster struct {
 	cdc       codec.JSONCodec
 }
 
-// NewCometBFTBroadcaster creates a new CometBftBroadcaster.
+// NewCometBFTBroadcaster creates a new CometBFTBroadcaster.
 func NewCometBFTBroadcaster(rpcURL, mode string, cdc codec.JSONCodec) (*CometBFTBroadcaster, error) {
 	if cdc == nil {
 		return nil, errors.New("codec can't be nil")
@@ -91,28 +91,30 @@ func NewCometBFTBroadcaster(rpcURL, mode string, cdc codec.JSONCodec) (*CometBFT
 	}, nil
 }
 
-func (c CometBFTBroadcaster) Consensus() string {
+// Consensus returns the consensus engine name used by the broadcaster.
+// It always returns "comet" for CometBFTBroadcaster.
+func (c *CometBFTBroadcaster) Consensus() string {
 	return cometBFTConsensus
 }
 
 // Broadcast sends a transaction to the network and returns the result.
 // returns a byte slice containing the JSON-encoded result and an error if the broadcast failed.
-func (c CometBFTBroadcaster) Broadcast(ctx context.Context, txBytes []byte) ([]byte, error) {
+func (c *CometBFTBroadcaster) Broadcast(ctx context.Context, txBytes []byte) ([]byte, error) {
 	if c.cdc == nil {
 		return []byte{}, fmt.Errorf("JSON codec is not initialized")
 	}
 
-	var fn func(ctx context.Context, tx cmttypes.Tx) (*coretypes.ResultBroadcastTx, error)
+	var broadcastFunc func(ctx context.Context, tx cmttypes.Tx) (*coretypes.ResultBroadcastTx, error)
 	switch c.mode {
 	case BroadcastSync:
-		fn = c.rpcClient.BroadcastTxSync
+		broadcastFunc = c.rpcClient.BroadcastTxSync
 	case BroadcastAsync:
-		fn = c.rpcClient.BroadcastTxAsync
+		broadcastFunc = c.rpcClient.BroadcastTxAsync
 	default:
 		return []byte{}, fmt.Errorf("unknown broadcast mode: %s", c.mode)
 	}
 
-	res, err := c.broadcast(ctx, txBytes, fn)
+	res, err := c.broadcast(ctx, txBytes, broadcastFunc)
 	if err != nil {
 		return []byte{}, err
 	}
@@ -121,11 +123,11 @@ func (c CometBFTBroadcaster) Broadcast(ctx context.Context, txBytes []byte) ([]b
 }
 
 // broadcast sends a transaction to the CometBFT network using the provided function.
-func (c CometBFTBroadcaster) broadcast(ctx context.Context, txbytes []byte,
+func (c *CometBFTBroadcaster) broadcast(ctx context.Context, txBytes []byte,
 	fn func(ctx context.Context, tx cmttypes.Tx) (*coretypes.ResultBroadcastTx, error),
 ) (*apiacbci.TxResponse, error) {
-	bResult, err := fn(ctx, txbytes)
-	if errRes := checkCometError(err, txbytes); err != nil {
+	bResult, err := fn(ctx, txBytes)
+	if errRes := checkCometError(err, txBytes); err != nil {
 		return errRes, nil
 	}
 
diff --git a/client/v2/broadcast/comet/comet_test.go b/client/v2/broadcast/comet/comet_test.go
index 62d29f97ecf3..0eb8b81685ed 100644
--- a/client/v2/broadcast/comet/comet_test.go
+++ b/client/v2/broadcast/comet/comet_test.go
@@ -66,32 +66,48 @@ func TestCometBftBroadcaster_Broadcast(t *testing.T) {
 		cdc:       cdc,
 	}
 	tests := []struct {
-		name    string
-		mode    string
-		want    []byte
-		wantErr bool
+		name      string
+		mode      string
+		setupMock func(*mockrpc.MockCometRPC)
+		wantErr   bool
 	}{
 		{
 			name: "sync",
 			mode: BroadcastSync,
+			setupMock: func(m *mockrpc.MockCometRPC) {
+				m.EXPECT().BroadcastTxSync(context.Background(), gomock.Any()).Return(&coretypes.ResultBroadcastTx{
+					Code:      0,
+					Data:      []byte{},
+					Log:       "",
+					Codespace: "",
+					Hash:      []byte("%�����\u0010\n�T�\u0017\u0016�N^H[5�\u0006}�n�w�/Vi� "),
+				}, nil)
+			},
+		},
+		{
+			name: "async",
+			mode: BroadcastAsync,
+			setupMock: func(m *mockrpc.MockCometRPC) {
+				m.EXPECT().BroadcastTxAsync(context.Background(), gomock.Any()).Return(&coretypes.ResultBroadcastTx{
+					Code:      0,
+					Data:      []byte{},
+					Log:       "",
+					Codespace: "",
+					Hash:      []byte("%�����\u0010\n�T�\u0017\u0016�N^H[5�\u0006}�n�w�/Vi� "),
+				}, nil)
+			},
 		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			c.mode = tt.mode
-			cometMock.EXPECT().BroadcastTxSync(context.Background(), gomock.Any()).Return(&coretypes.ResultBroadcastTx{
-				Code:      0,
-				Data:      []byte{},
-				Log:       "",
-				Codespace: "",
-				Hash:      []byte("%�����\u0010\n�T�\u0017\u0016�N^H[5�\u0006}�n�w�/Vi� "),
-			}, nil)
+			tt.setupMock(cometMock)
 			got, err := c.Broadcast(context.Background(), []byte{})
-			if (err != nil) != tt.wantErr {
-				t.Errorf("Broadcast() error = %v, wantErr %v", err, tt.wantErr)
-				return
+			if tt.wantErr {
+				require.Error(t, err)
+			} else {
+				require.NotNil(t, got)
 			}
-			require.NotNil(t, got)
 		})
 	}
 }
@@ -103,21 +119,21 @@ func Test_checkCometError(t *testing.T) {
 		want *apiacbci.TxResponse
 	}{
 		{
-			name: "error in cache",
+			name: "tx already in cache",
 			err:  errors.New("tx already exists in cache"),
 			want: &apiacbci.TxResponse{
 				Code: 19,
 			},
 		},
 		{
-			name: "error in cache",
+			name: "mempool is full",
 			err:  mempool.ErrMempoolIsFull{},
 			want: &apiacbci.TxResponse{
 				Code: 20,
 			},
 		},
 		{
-			name: "error in cache",
+			name: "tx too large",
 			err:  mempool.ErrTxTooLarge{},
 			want: &apiacbci.TxResponse{
 				Code: 21,
diff --git a/client/v2/tx/tx.go b/client/v2/tx/tx.go
index 765a6837e712..ab82c813ac20 100644
--- a/client/v2/tx/tx.go
+++ b/client/v2/tx/tx.go
@@ -47,7 +47,7 @@ func GenerateOrBroadcastTxCLIWithBroadcaster(ctx client.Context, flagSet *pflag.
 }
 
 // GenerateOrBroadcastTxCLI will either generate and print an unsigned transaction
-// or sign it and broadcast it using defaults cometBFT broadcaster, returning an error upon failure.
+// or sign it and broadcast it using default CometBFT broadcaster, returning an error upon failure.
 func GenerateOrBroadcastTxCLI(ctx client.Context, flagSet *pflag.FlagSet, msgs ...transaction.Msg) error {
 	cometBroadcaster, err := getCometBroadcaster(ctx, flagSet)
 	if err != nil {