Update app-only-auth-powershell-v2.md

Link fix

Author: chrisda

exchange/docs-conceptual/app-only-auth-powershell-v2.md

@@ -410,7 +410,7 @@ For general instructions about assigning roles in Azure AD, see [View and assign
 >
 >  This method is supported only when you connect to Exchange Online PowerShell or Security & Compliance PowerShell in [REST API mode](exchange-online-powershell-v2.md#updates-for-the-exo-v3-module). Security & Compliance PowerShell supports REST API mode in v3.2.0-Preview4 or later.
 
-For information about creating custom role groups, see [Create role groups in Exchange Online](/exchange/permissions-exo/role-groups#create-role-groups) and [Create Email & collaboration role groups in the Microsoft 365 Defender portal](/microsoft-365/security/office-365-security/mdo-portal-permissions?view=o365-worldwide#create-email--collaboration-role-groups-in-the-microsoft-365-defender-portal). The custom role group that you assign to the application can contain any combination of built-in and custom roles.
+For information about creating custom role groups, see [Create role groups in Exchange Online](/exchange/permissions-exo/role-groups#create-role-groups) and [Create Email & collaboration role groups in the Microsoft 365 Defender portal](/microsoft-365/security/office-365-security/mdo-portal-permissions#create-email--collaboration-role-groups-in-the-microsoft-365-defender-portal). The custom role group that you assign to the application can contain any combination of built-in and custom roles.
 
 To assign custom role groups to the application using service principals, do the following steps: