Fix README mistake

README.md

@@ -115,7 +115,7 @@ func main() {
 	// By default it serves on :8080 unless a
 	// PORT environment variable was defined.
 	router.Run()
-	// router.Run.Run(":3000") for a hard coded port
+	// router.Run(":3000") for a hard coded port
 }
 ```