diff --git a/README.md b/README.md
index 0c5df9d..7c77bdc 100644
--- a/README.md
+++ b/README.md
@@ -167,6 +167,8 @@ k.Unmarshal("", &config)
 
 config, err := konfetty.FromStruct(&config).
     WithDefaults(defaultConfig).
+    WithTransformer(transformer).
+    WithValidator(validator).
     Build()
 ```