diff --git a/README.md b/README.md
index 3404a8e..a6c8b5a 100644
--- a/README.md
+++ b/README.md
@@ -259,7 +259,7 @@ Or you can call `AdaptiveTheme.persist()` method after clearing the preferences
 
 ```dart
 final prefs = await SharedPreferences.getInstance();
-await pref.clear();
+await prefs.clear();
 AdaptiveTheme.persist();
 ```