diff --git a/beacon-chain/sync/backfill/verify_test.go b/beacon-chain/sync/backfill/verify_test.go
index 9250007a8..19253ba7f 100644
--- a/beacon-chain/sync/backfill/verify_test.go
+++ b/beacon-chain/sync/backfill/verify_test.go
@@ -56,7 +56,7 @@ func testBlocksWithKeys(t *testing.T, nBlocks uint64, nBlobs int, vr []byte) ([]
 
 func TestVerify(t *testing.T) {
 	vr := make([]byte, 32)
-	copy(vr, []byte("yooooo"))
+	copy(vr, "yooooo")
 	blks, _, _, pks := testBlocksWithKeys(t, 2, 0, vr)
 	pubkeys := make([][fieldparams.BLSPubkeyLength]byte, len(pks))
 	for i := range pks {
diff --git a/beacon-chain/sync/block_batcher.go b/beacon-chain/sync/block_batcher.go
index ef6b6103d..014b7cdbe 100644
--- a/beacon-chain/sync/block_batcher.go
+++ b/beacon-chain/sync/block_batcher.go
@@ -151,14 +151,14 @@ func newBlockBatch(start, reqEnd primitives.Slot, size uint64) (blockBatch, bool
 	return nb, true
 }
 
-func (bat blockBatch) next(reqEnd primitives.Slot, size uint64) (blockBatch, bool) {
-	if bat.error() != nil {
-		return bat, false
+func (bb blockBatch) next(reqEnd primitives.Slot, size uint64) (blockBatch, bool) {
+	if bb.error() != nil {
+		return bb, false
 	}
-	if bat.nonLinear() {
+	if bb.nonLinear() {
 		return blockBatch{}, false
 	}
-	return newBlockBatch(bat.end.Add(1), reqEnd, size)
+	return newBlockBatch(bb.end.Add(1), reqEnd, size)
 }
 
 // blocks returns the list of linear, canonical blocks read from the db.
diff --git a/beacon-chain/sync/initial-sync/verification.go b/beacon-chain/sync/initial-sync/verification.go
index 1ffbb9783..1a2b936ed 100644
--- a/beacon-chain/sync/initial-sync/verification.go
+++ b/beacon-chain/sync/initial-sync/verification.go
@@ -15,7 +15,7 @@ var (
 	// ErrBatchSignatureMismatch is returned by VerifiedROBlobs when any of the blobs in the batch have a signature
 	// which does not match the signature for the block with a corresponding root.
 	ErrBatchSignatureMismatch = errors.New("Sidecar block header signature does not match signed block")
-	// ErrBlockRootMismatch is returned by VerifiedROBlobs in the scenario where the root of the given signed block
+	// ErrBatchBlockRootMismatch is returned by VerifiedROBlobs in the scenario where the root of the given signed block
 	// does not match the block header in one of the corresponding sidecars.
 	ErrBatchBlockRootMismatch = errors.New("Sidecar block header root does not match signed block")
 )
diff --git a/beacon-chain/sync/verify/blob_test.go b/beacon-chain/sync/verify/blob_test.go
index e4b2adb09..b97a5d275 100644
--- a/beacon-chain/sync/verify/blob_test.go
+++ b/beacon-chain/sync/verify/blob_test.go
@@ -54,7 +54,7 @@ func TestBlobAlignsWithBlock(t *testing.T) {
 				require.NoError(t, err)
 				rob, err := blocks.NewROBlock(blk)
 				require.NoError(t, err)
-				return rob, []blocks.ROBlob{blocks.ROBlob{}}
+				return rob, []blocks.ROBlob{{}}
 			},
 		},
 	}