diff --git a/eBook/14.1.md b/eBook/14.1.md
index 0749380..5891987 100644
--- a/eBook/14.1.md
+++ b/eBook/14.1.md
@@ -68,7 +68,7 @@ Go 的并发原语提供了良好的并发设计基础：表达程序结构以
 var numCores = flag.Int("n", 2, "number of CPU cores to use")
 
 in main()
-flag.Pars()
+flag.Parse()
 runtime.GOMAXPROCS(*numCores)
 ```