diff --git a/components/cluster/command/edit_config.go b/components/cluster/command/edit_config.go
index a305c53ec4..4f2450f9f1 100644
--- a/components/cluster/command/edit_config.go
+++ b/components/cluster/command/edit_config.go
@@ -22,7 +22,8 @@ func newEditConfigCmd() *cobra.Command {
 	opt := manager.EditConfigOptions{}
 	cmd := &cobra.Command{
 		Use:   "edit-config <cluster-name>",
-		Short: "Edit TiDB cluster config.\nWill use editor from environment variable `EDITOR`, default use vi",
+		Short: "Edit TiDB cluster config",
+		Long:  "Edit TiDB cluster config. Will use editor from environment variable `EDITOR`, default use vi",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if len(args) != 1 {
 				return cmd.Help()
diff --git a/components/dm/command/edit_config.go b/components/dm/command/edit_config.go
index e20b531128..6e7521c572 100644
--- a/components/dm/command/edit_config.go
+++ b/components/dm/command/edit_config.go
@@ -23,6 +23,7 @@ func newEditConfigCmd() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "edit-config <cluster-name>",
 		Short: "Edit DM cluster config",
+		Long:  "Edit DM cluster config. Will use editor from environment variable `EDITOR`, default use vi",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if len(args) != 1 {
 				return cmd.Help()