adding the relative url

Author: vaishalishah11

articles/search/search-blob-indexer-role-based-access.md

@@ -27,7 +27,7 @@ The indexer approach is built on this foundation:
 
 ## Prerequisites
 
-+ [Microsoft Entra ID authentication and authorization](https://learn.microsoft.com/en-us/entra/identity/authentication/overview-authentication). Services and apps must be in the same tenant. Role assignments are used for each authenticated connection.
++ [Microsoft Entra ID authentication and authorization](/entra/identity/authentication/overview-authentication). Services and apps must be in the same tenant. Role assignments are used for each authenticated connection.
 
 + Azure AI Search, any region, but you must have a billable tier (basic and higher) see [Service limits](search-limits-quotas-capacity.md) for managed identity support. The search service must be [configured for role-based access](search-security-enable-roles.md) and it must [have a managed identity (either system or user)](search-howto-managed-identities-data-sources.md).