From eb876e1a159f4c5bae7fe181accd94dc6d21d5a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=BF=9E=E4=BF=AE=E6=98=8E?= <1034552569@qq.com>
Date: Mon, 30 Aug 2021 14:48:16 +0800
Subject: [PATCH] update readme.md

```go
viper.WatchConfig()
viper.OnConfigChange(func(e fsnotify.Event) {
	fmt.Println("Config file changed:", e.Name)
})
```
this code will cause data race,  please check this question:
https://stackoverflow.com/questions/68915944/viper-dynamically-loading-config-file-has-data-race/68919971#68919971
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index e3986f7..97654df 100644
--- a/README.md
+++ b/README.md
@@ -175,10 +175,10 @@ Optionally you can provide a function for Viper to run each time a change occurs
 **Make sure you add all of the configPaths prior to calling `WatchConfig()`**
 
 ```go
-viper.WatchConfig()
 viper.OnConfigChange(func(e fsnotify.Event) {
 	fmt.Println("Config file changed:", e.Name)
 })
+viper.WatchConfig()
 ```
 
 ### Reading Config from io.Reader