Fix minor typo in object-storage-properties.adoc (#1087)

Author: JFlath

modules/reference/pages/properties/object-storage-properties.adoc

@@ -562,7 +562,7 @@ To authenticate using access keys, see <<cloud_storage_access_key,`cloud_storage
 
 *Gets restored during cluster restore:* No
 
-*Accepted values*: `config_file`, `aws_instance_metadata`, `sts, gcp_instance_metadata`, `azure_vm_instance_metadata`, `azure_aks_oidc_federation`
+*Accepted values*: [`config_file`, `aws_instance_metadata`, `sts`, `gcp_instance_metadata`, `azure_vm_instance_metadata`, `azure_aks_oidc_federation`]
 
 *Visibility:* `user`