Update the comments about monitorNotify in the listener.go

Fix comment error about monitorNotify in `pkg/datapath/ipcache/listener.go`.

Signed-off-by: hxysayhi <51870525+hxysayhi@users.noreply.github.com>

pkg/datapath/ipcache/listener.go

@@ -34,7 +34,7 @@ type datapath interface {
 	TriggerReloadWithoutCompile(reason string) (*sync.WaitGroup, error)
 }
 
-// monitor is an interface not notify the monitor about changes to the ipcache
+// monitorNotify is an interface to notify the monitor about ipcache changes.
 type monitorNotify interface {
 	SendNotification(msg monitorAPI.AgentNotifyMessage) error
 }