bnb-chain
diff --git a/‎cmd/utils/flags.go
+4-3 b/‎cmd/utils/flags.go
+4-3
@@ -118,8 +118,9 @@ var (
 		Usage: "Enable directly broadcast mined block to all peers",
 	}
 	LightSyncFlag = cli.BoolFlag{
-		Name:  "lightsync",
-		Usage: "Enable difflayer light sync ",
+		Name: "lightsync",
+		Usage: "Enable difflayer light sync, Please note that enable lightsync will improve the syncing speed, " +
+			"but will degrade the security to light client level",
 	}
 	RangeLimitFlag = cli.BoolFlag{
 		Name:  "rangelimit",
@@ -435,7 +436,7 @@ var (
 	}
 	PersistDiffFlag = cli.BoolFlag{
 		Name:  "persistdiff",
-		Usage: "Enable persisting the diff layer",
+		Usage: "Enable persistence of the diff layer",
 	}
 	// Miner settings
 	MiningEnabledFlag = cli.BoolFlag{
Original file line number	Diff line number	Diff line change
`@@ -118,8 +118,9 @@ var (`
`118`	`118`	`Usage: "Enable directly broadcast mined block to all peers",`
`119`	`119`	`}`
`120`	`120`	`LightSyncFlag = cli.BoolFlag{`
`121`		`- Name: "lightsync",`
`122`		`- Usage: "Enable difflayer light sync ",`
	`121`	`+ Name: "lightsync",`
	`122`	`+ Usage: "Enable difflayer light sync, Please note that enable lightsync will improve the syncing speed, " +`
	`123`	`+ "but will degrade the security to light client level",`
`123`	`124`	`}`
`124`	`125`	`RangeLimitFlag = cli.BoolFlag{`
`125`	`126`	`Name: "rangelimit",`
`@@ -435,7 +436,7 @@ var (`
`435`	`436`	`}`
`436`	`437`	`PersistDiffFlag = cli.BoolFlag{`
`437`	`438`	`Name: "persistdiff",`
`438`		`- Usage: "Enable persisting the diff layer",`
	`439`	`+ Usage: "Enable persistence of the diff layer",`
`439`	`440`	`}`
`440`	`441`	`// Miner settings`
`441`	`442`	`MiningEnabledFlag = cli.BoolFlag{`