diff --git a/README.md b/README.md
index a11b46a..c6312c1 100644
--- a/README.md
+++ b/README.md
@@ -94,6 +94,12 @@ Specify the countries to appear at the top of the list.
 Type: `Boolean` Default: `false`  
 Set the dropdown's width to be the same as the input. This is automatically enabled for small screens.
 
+**localizedCountries**  
+Type: `Object` Default: `{}`  
+Allows to translate the countries by its given iso code e.g.:
+ ```js
+{ 'de': 'Deutschland' }
+```
 
 ## Public Methods
 **destroy**