chore: fix some comments (#1203)

Signed-off-by: dongjinlong <dongjinlong@outlook.com>

consensus/bor/valset/validator_set.go

@@ -435,7 +435,7 @@ func verifyUpdates(updates []*Validator, vals *ValidatorSet) (updatedTotalVoting
 		_, val := vals.GetByAddress(address)
 
 		if val == nil {
-			// New validator, add its voting power the the total.
+			// New validator, add its voting power the total.
 			updatedTotalVotingPower += valUpdate.VotingPower
 			numNewValidators++
 		} else {

core/blockstm/mvhashmap_test.go

@@ -158,7 +158,7 @@ func TestMVHashMapBasics(t *testing.T) {
 	mvh.Write(ap1, Version{10, 1}, valueFor(10, 1))
 
 	res = mvh.Read(ap1, 9)
-	require.Equal(t, -1, res.depIdx, "reads that should go the the DB return dependency -1")
+	require.Equal(t, -1, res.depIdx, "reads that should go the DB return dependency -1")
 	res = mvh.Read(ap1, 10)
 	require.Equal(t, -1, res.depIdx, "Read returns entries from smaller txns, not txn 10")
 

eth/handler_eth_test.go

@@ -488,7 +488,7 @@ func testBroadcastBlock(t *testing.T, peers, bcasts int) {
 	)
 
 	for i, sink := range sinks {
-		sink := sink // Closure for gorotuine below
+		sink := sink // Closure for goroutine below
 
 		sourcePipe, sinkPipe := p2p.MsgPipe()
 		defer sourcePipe.Close()

internal/cli/dumpconfig.go

@@ -28,7 +28,7 @@ func (p *DumpconfigCommand) MarkDown() string {
 func (c *DumpconfigCommand) Help() string {
 	return `Usage: bor dumpconfig <your-favourite-flags>
 
-  This command will will export the user provided flags into a configuration file`
+  This command will export the user provided flags into a configuration file`
 }
 
 // Synopsis implements the cli.Command interface