fix: typo (#819)

Co-authored-by: Andriy Knysh <[email protected]>

website/docs/quick-start/advanced/configure-terraform-backend.mdx

@@ -209,7 +209,7 @@ Configuring Terraform S3 backend with Atmos consists of the three steps:
   </File>
 
   Note that this is optional. If you don’t add `backend.s3.workspace_key_prefix` to the component manifest, the Atmos component name will be used
-  automatically (which is this example is `vpc`). `/` (slash) in the Atmos component name will be replaced with `-` (dash).
+  automatically (which, in this example, is `vpc`). `/` (slash) in the Atmos component name will be replaced with `-` (dash).
 
   We usually don’t specify `workspace_key_prefix` for each component and let Atmos use the component name as `workspace_key_prefix`.