diff --git a/config/v1alpha1/types.go b/config/v1alpha1/types.go
index 5399157..36dafe0 100644
--- a/config/v1alpha1/types.go
+++ b/config/v1alpha1/types.go
@@ -166,6 +166,8 @@ type KubeProxyConfiguration struct {
 	DetectLocalMode LocalMode `json:"detectLocalMode"`
 }
 
+// ProxyMode represents modes used by the Kubernetes proxy server.
+//
 // Currently, three modes of proxy are available in Linux platform: 'userspace' (older, going to be EOL), 'iptables'
 // (newer, faster), 'ipvs'(newest, better in performance and scalability).
 //
@@ -175,7 +177,7 @@ type KubeProxyConfiguration struct {
 // future). If the iptables proxy is selected, regardless of how, but the system's kernel or iptables versions are
 // insufficient, this always falls back to the userspace proxy. IPVS mode will be enabled when proxy mode is set to 'ipvs',
 // and the fall back path is firstly iptables and then userspace.
-
+//
 // In Windows platform, if proxy mode is blank, use the best-available proxy (currently userspace, but may change in the
 // future). If winkernel proxy is selected, regardless of how, but the Windows kernel can't support this mode of proxy,
 // this always falls back to the userspace proxy.