diff --git a/README.md b/README.md
index fa9fbfe..4092a4e 100644
--- a/README.md
+++ b/README.md
@@ -289,7 +289,8 @@ lookuper := envconfig.MapLookuper(map[string]string{
 })
 
 var config Config
-envconfig.ProcessWith(ctx, &config, &envconfig.Config{
+envconfig.ProcessWith(ctx, &envconfig.Config{
+  Target:   &config,
   Lookuper: lookuper,
 })
 ```