Rewords for clarity.

Author: kenwith

articles/active-directory/app-provisioning/plan-auto-user-provisioning.md

@@ -57,7 +57,7 @@ This article uses the following terms:
 
 * Target system - The repository of users that the Azure AD provisions to. The Target system is typically a SaaS application such as ServiceNow, Zscaler, and Slack. The target system can also be an on-premises system such as AD.
 
-* [System for Cross-domain Identity Management (SCIM)](https://aka.ms/scimoverview) -  An open standard that allows for the automation of user provisioning. SCIM communicates user identity data between identity providers such as Microsoft, and service providers like Salesforce or other SaaS apps that require user identity information.
+* [System for Cross-domain Identity Management (SCIM)](https://aka.ms/scimoverview) -  An open standard that allows for the automation of user provisioning. SCIM communicates user identity data between identity providers and service providers. Microsoft is an example of an identity provider. Salesforce is an example of a service provider. Service providers require user identity information and an identity provider fulfills that need. SCIM is the mechanism the identity provider and service provider use to send information back and forth.
 
 ### Training resources