diff --git a/examples/demo.go b/examples/demo.go
index 2dff6ff..193b9e9 100644
--- a/examples/demo.go
+++ b/examples/demo.go
@@ -10,7 +10,9 @@ func main() {
 	flag.Parse()
 	defer glog.Flush()
 
+	// Only shows with -v=1 or higher
 	glog.V(1).Infoln("v1.info!")
+	// Same as Info
 	glog.V(0).Infoln("v0.info!")
 	glog.Infoln("info!")
 	glog.Warningln("warn!")