Fixes the link to the new topic for registering a DICOM application.

Author: mmitrik

articles/healthcare-apis/dicom/get-started-with-dicom.md

@@ -37,7 +37,7 @@ The DICOM service is secured by Azure Active Directory (Azure AD) that can't be
 
 ### Register a client application
 
-You can create or register a client application from the [Azure portal](../register-application.md), or using PowerShell and Azure CLI scripts. This client application can be used for one or more DICOM service instances. It can also be used for other services in Azure Health Data Services.
+You can create or register a client application from the [Azure portal](dicom-register-application.md), or using PowerShell and Azure CLI scripts. This client application can be used for one or more DICOM service instances. It can also be used for other services in Azure Health Data Services.
 
 If the client application is created with a certificate or client secret, ensure that you renew the certificate or client secret before expiration and replace the client credentials in your applications.