diff --git a/references/cli/system.go b/references/cli/system.go
index cad79c734..9bcee950c 100644
--- a/references/cli/system.go
+++ b/references/cli/system.go
@@ -58,7 +58,7 @@ func NewSystemCommand(c common.Args) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "system",
 		Short: "Manage system.",
-		Long:  "Manage system, incluing printing the system deployment information in vela-system namespace and diagnosing the system's health.",
+		Long:  "Manage system, including printing the system deployment information in vela-system namespace and diagnosing the system's health.",
 		Example: "# Check all deployments information in all namespaces with label app.kubernetes.io/name=vela-core :\n" +
 			"> vela system info\n" +
 			"# Specify a deployment name with a namespace to check detail information:\n" +