fix: update readme doc

vgkowski · web-flow · commit 3bf1e9a2772f · 2023-03-03T14:06:28.000+01:00
diff --git a/refarch/README.md b/refarch/README.md
@@ -275,7 +275,7 @@ psql -h localhost -p 5400 -U dwsuser -d dev
 3. Destroy the main AWS CDK stack.
    ```
    cd ../..
-   cdk destroy
+   cdk destroy ara
    # confirm "Are you sure you want to delete: ara (y/n)?" with y
    ```
 
