diff --git a/README.md b/README.md
index 2de7307..eb26086 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ Here is an example:
 		}
 	}	
 ```
-The `Id` field is automatically set at instanciation, this also applies to users inheriting from `MongoIdentityUser<int>`, where a random integer is assigned to the `Id`. It is however not advised to rely on such random mechanism to set the primary key of your document. Using documents inheriting from `MongoIdentityRole<Guid>` is recommended.
+The `Id` field is automatically set at instanciation, this also applies to users inheriting from `MongoIdentityUser<int>`, where a random integer is assigned to the `Id`. It is however not advised to rely on such random mechanism to set the primary key of your document. Using documents inheriting from `MongoIdentityRole` and `MongoIdentityUser` is recommended.
 
 The configuration is done by populating a `MongoDbIdentityConfiguration` object, which can have an `IdentityOptionsAction` property set to an action you want to perform against the `IdentityOptions` (`Action<IdentityOptions>`).