From 6c062f7cf9526358ed8f3b6b90ed0138e49a9e7b Mon Sep 17 00:00:00 2001
From: Talut Salako <salakotalut@gmail.com>
Date: Fri, 4 Apr 2025 08:40:29 +0100
Subject: [PATCH] update error checking function for missing config file
 example

---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 98e17b7..a866276 100644
--- a/README.md
+++ b/README.md
@@ -132,7 +132,8 @@ You can handle the specific case where no config file is found like this:
 
 ```go
 if err := viper.ReadInConfig(); err != nil {
-	if _, ok := err.(viper.ConfigFileNotFoundError); ok {
+	var notFoundError viper.ConfigFileNotFoundError
+	if errors.As(err, &notFoundError){
 		// Config file not found; ignore error if desired
 	} else {
 		// Config file was found but another error was produced