diff --git a/components/cluster/command/check.go b/components/cluster/command/check.go
index 28cffd6977..f2f2dbd102 100644
--- a/components/cluster/command/check.go
+++ b/components/cluster/command/check.go
@@ -51,8 +51,8 @@ conflict checks with other clusters`,
 	cmd.Flags().StringVarP(&opt.User, "user", "u", utils.CurrentUser(), "The user name to login via SSH. The user must has root (or sudo) privilege.")
 	cmd.Flags().StringVarP(&opt.IdentityFile, "identity_file", "i", opt.IdentityFile, "The path of the SSH identity file. If specified, public key authentication will be used.")
 	cmd.Flags().BoolVarP(&opt.UsePassword, "password", "p", false, "Use password of target hosts. If specified, password authentication will be used.")
-	cmd.Flags().StringSliceVarP(&gOpt.Roles, "role", "R", nil, "Only start specified roles")
-	cmd.Flags().StringSliceVarP(&gOpt.Nodes, "node", "N", nil, "Only start specified nodes")
+	cmd.Flags().StringSliceVarP(&gOpt.Roles, "role", "R", nil, "Only check specified roles")
+	cmd.Flags().StringSliceVarP(&gOpt.Nodes, "node", "N", nil, "Only check specified nodes")
 
 	cmd.Flags().BoolVar(&opt.Opr.EnableCPU, "enable-cpu", false, "Enable CPU thread count check")
 	cmd.Flags().BoolVar(&opt.Opr.EnableMem, "enable-mem", false, "Enable memory size check")
diff --git a/components/cluster/command/reload.go b/components/cluster/command/reload.go
index ea097722b3..abfd92ade2 100644
--- a/components/cluster/command/reload.go
+++ b/components/cluster/command/reload.go
@@ -41,8 +41,8 @@ func newReloadCmd() *cobra.Command {
 	}
 
 	cmd.Flags().BoolVar(&gOpt.Force, "force", false, "Force reload without transferring PD leader and ignore remote error")
-	cmd.Flags().StringSliceVarP(&gOpt.Roles, "role", "R", nil, "Only start specified roles")
-	cmd.Flags().StringSliceVarP(&gOpt.Nodes, "node", "N", nil, "Only start specified nodes")
+	cmd.Flags().StringSliceVarP(&gOpt.Roles, "role", "R", nil, "Only reload specified roles")
+	cmd.Flags().StringSliceVarP(&gOpt.Nodes, "node", "N", nil, "Only reload specified nodes")
 	cmd.Flags().Uint64Var(&gOpt.APITimeout, "transfer-timeout", 300, "Timeout in seconds when transferring PD and TiKV store leaders")
 	cmd.Flags().BoolVarP(&gOpt.IgnoreConfigCheck, "ignore-config-check", "", false, "Ignore the config check result")
 	cmd.Flags().BoolVar(&skipRestart, "skip-restart", false, "Only refresh configuration to remote and do not restart services")
diff --git a/components/dm/command/reload.go b/components/dm/command/reload.go
index 07a1b8b56f..0d7e526e51 100644
--- a/components/dm/command/reload.go
+++ b/components/dm/command/reload.go
@@ -39,8 +39,8 @@ func newReloadCmd() *cobra.Command {
 		},
 	}
 
-	cmd.Flags().StringSliceVarP(&gOpt.Roles, "role", "R", nil, "Only start specified roles")
-	cmd.Flags().StringSliceVarP(&gOpt.Nodes, "node", "N", nil, "Only start specified nodes")
+	cmd.Flags().StringSliceVarP(&gOpt.Roles, "role", "R", nil, "Only reload specified roles")
+	cmd.Flags().StringSliceVarP(&gOpt.Nodes, "node", "N", nil, "Only reload specified nodes")
 	cmd.Flags().BoolVar(&skipRestart, "skip-restart", false, "Only refresh configuration to remote and do not restart services")
 
 	return cmd