Update articles/active-directory/external-identities/customers/index.yml

Co-authored-by: Michele Martin <[email protected]>

Author: MicrosoftGuyJFlo

articles/active-directory/external-identities/customers/index.yml

@@ -1,7 +1,7 @@
 ### YamlMime:Landing
 
 title: Microsoft Entra ID for customers documentation
-summary: Microsoft Entra ID for customers, also known as External ID for customers, is a customer identity access management (CIAM) solution that lets you create secure, customized sign-in experiences for your customer-facing apps and services.
+summary: Microsoft Entra ID for customers is a customer identity access management (CIAM) solution that lets you create secure, customized sign-in experiences for your customer-facing apps and services.
 
 metadata: 
    title: Microsoft Entra ID for customers documentation