diff --git a/README.md b/README.md
index da066f4..a93c138 100644
--- a/README.md
+++ b/README.md
@@ -153,7 +153,7 @@ Specifies "parseJson" option to routing-controllers.
 Entity type. Automatically retrieved from entity param's type, but in some cases,
 for example if you are using array of entities it should be passed explicitly.
 
-* `property: boolean`
+* `property: string`
 
 Property to find by. If not specified, then entity will be fetched by its primary keys.