fix internal links

Author: Blargian

docs/en/cloud/manage/backups/export-backups-to-own-cloud-account.md

@@ -9,7 +9,7 @@ import EnterprisePlanFeatureBadge from '@theme/badges/EnterprisePlanFeatureBadge
 <EnterprisePlanFeatureBadge/>
 
 ClickHouse Cloud supports taking backups to your own cloud service provider (CSP) account (AWS S3, Google Cloud Storage, or Azure Blob Storage).
-For details of how ClickHouse Cloud backups work, including "full" vs. "incremental" backups, see the [backups](backups.md) docs.
+For details of how ClickHouse Cloud backups work, including "full" vs. "incremental" backups, see the [backups](overview.md) docs.
 
 Here we show examples of how to take full and incremental backups to AWS, GCP, Azure object storage as well as how to restore from the backups.
 

docs/en/cloud/manage/billing.md

@@ -24,7 +24,7 @@ Storage costs are the same across tiers and vary by region and cloud service pro
 
 Storage and backups are counted towards storage costs and billed separately. 
 All services will default to one backup, retained for a day. 
-Users who need additional backups can do so by configuring additional [backups](backups/backups.md) under the settings tab of the Cloud Console.
+Users who need additional backups can do so by configuring additional [backups](backups/overview.md) under the settings tab of the Cloud Console.
 
 ### How do I estimate compression?