refactor: clean-ups

README.md

@@ -131,15 +131,15 @@ if err != nil { // Handle errors reading the config file
 You can handle the specific case where no config file is found like this:
 
 ```go
-var fileLookupError viper.fileLookupError
+var fileLookupError viper.FileLookupError
 if err := viper.ReadInConfig(); err != nil {
     if errors.As(err, &fileLookupError) {
         // Indicates an explicitly set config file is not found (such as with
         // using `viper.SetConfigFile`) or that no config file was found in
         // any search path (such as when using `viper.AddConfigPath`)
-	} else {
-		// Config file was found but another error was produced
-	}
+    } else {
+        // Config file was found but another error was produced
+    }
 }
 
 // Config file found and successfully parsed

errors.go

@@ -24,12 +24,7 @@ type ConfigFileNotFoundError struct {
 
 // Error returns the formatted error.
 func (e ConfigFileNotFoundError) Error() string {
-	message := fmt.Sprintf("File %q Not Found", e.name)
-	if len(e.locations) != 0 {
-		message += fmt.Sprintf(" in %v", e.locations)
-	}
-
-	return message
+	return e.Unwrap().Error()
 }
 
 // Unwraps to FileNotFoundFromSearchError.
@@ -48,7 +43,7 @@ func (e FileNotFoundFromSearchError) fileLookup() {}
 
 // Error returns the formatted error.
 func (e FileNotFoundFromSearchError) Error() string {
-	message := fmt.Sprintf("hile %q not found", e.name)
+	message := fmt.Sprintf("File %q not found", e.name)
 
 	if len(e.locations) > 0 {
 		message += fmt.Sprintf(" in %v", e.locations)