diff --git a/documentation/Language/Locale.md b/documentation/Language/Locale.md
index 6c66d4446..8acc83614 100644
--- a/documentation/Language/Locale.md
+++ b/documentation/Language/Locale.md
@@ -45,3 +45,5 @@ Every translation is typed checked:
 
 * all translations of the same key must have the same type
 * locale keys must have translations in every defined language
+
+Locales are open like Modules are so they can be defined in multiple places.