Fix typo: Custome Attributes -> Custom Attributes

Author: changeworld

docs/modeling/properties-of-domain-roles.md

@@ -1,6 +1,6 @@
 ---
 title: Properties of Domain Roles
-description: Learn about the properties that are associated with a domain role, like Collection Type, Custome Attributes, and Is Property Browsable.
+description: Learn about the properties that are associated with a domain role, like Collection Type, Custom Attributes, and Is Property Browsable.
 ms.date: 11/04/2016
 ms.topic: reference
 author: mgoertz-msft