message: Update architecture.md
  Minor typo change
diff: @@ -74,7 +74,7 @@ A quick note on moving constructs across stacks. Once your app has been deployed
  ### Apps
  -An app consists of one or more stacks. In most cases your all your stacks should be deployed in a single app.
  +An app consists of one or more stacks. In most cases, all of your stacks should be deployed in a single app.
  ```js title="stacks/index.js"
  export default function main(app) {
  