diff --git a/readme.md b/readme.md
index b7a4e9b..08fb376 100644
--- a/readme.md
+++ b/readme.md
@@ -86,6 +86,8 @@ if let name = defaults[.name] {
 }
 ```
 
+The default value is then `nil`.
+
 ### Enum example
 
 ```swift