Updates tone.

Author: kenwith

articles/active-directory/app-provisioning/customize-application-attributes.md

@@ -151,7 +151,7 @@ The SCIM RFC defines a core user and group schema, while also allowing for exten
 
 For SCIM applications, the attribute name must follow the pattern shown in the example below. The "CustomExtensionName" and "CustomAttribute" can be customized per your application's requirements, for example: urn:ietf:params:scim:schemas:extension:CustomExtensionName:2.0:User:CustomAttribute 
 
-These instructions are only applicable to SCIM-enabled applications. Applications such as ServiceNow and Salesforce are not integrated with Azure AD using SCIM, and therefore they don't require this specific namespace when adding a custom attribute.
+These instructions are only applicable to SCIM-enabled applications. Applications such as ServiceNow and Salesforce aren't integrated with Azure AD using SCIM, and therefore they don't require this specific namespace when adding a custom attribute.
 
 Custom attributes can't be referential attributes, multi-value or complex-typed attributes. Custom multi-value and complex-typed extension attributes are currently supported only for applications in the gallery. The custom extension schema header is omitted in the example because it isn't sent in requests from the Azure AD SCIM client. This issue will be fixed in the future and the header will be sent in the request.  
 
@@ -207,7 +207,7 @@ Use the steps below to provision roles for a user to your application. Note that
 
   ![Add SingleAppRoleAssignment](./media/customize-application-attributes/edit-attribute-singleapproleassignment.png)
   - **Things to consider**
-    - Ensure that multiple roles are not assigned to a user. We cannot guarantee which role will be provisioned.
+    - Ensure that multiple roles aren't assigned to a user. We cannot guarantee which role will be provisioned.
     - SingleAppRoleAssignments isn't compatible with setting scope to "Sync All users and groups." 
   - **Example request (POST)**