fixing another PV1 error

Author: kalexand-rh

backup_and_restore/application_backup_and_restore/backing_up_and_restoring/oadp-backing-up-pvs-csi-doc.adoc

@@ -8,7 +8,7 @@ toc::[]
 
 You back up persistent volumes with Container Storage Interface (CSI) snapshots by editing the `VolumeSnapshotClass` custom resource (CR) of the cloud storage before you create the `Backup` CR, see xref:../../../storage/container_storage_interface/persistent-storage-csi-snapshots.adoc#persistent-storage-csi-snapshots-overview_persistent-storage-csi-snapshots[CSI volume snapshots].
 
-For more information see xref:../..xref:../../../backup_and_restore/application_backup_and_restore/backing_up_and_restoring/oadp-creating-backup-cr.adoc#oadp-creating-backup-cr-doc[Creating a Backup CR].
+For more information see xref:../../../backup_and_restore/application_backup_and_restore/backing_up_and_restoring/oadp-creating-backup-cr.adoc#oadp-creating-backup-cr-doc[Creating a Backup CR].
 
 .Prerequisites