Merge pull request #12 from kevingrismore/update-readme

update readme

README.md

@@ -2,7 +2,9 @@ This is an advanced example for managing CI/CD across multiple Prefect workspace
 
 The GitHub Actions workflows in this repo: 
 - create mirrored deployments across staging and prod workspaces
-    - which workspace flows are deployed to is determined by the branch that changes happen on: `stg` for staging, `main` for prod
+    - which workspace flows are deployed to is determined by the branch that changes happen on:
+        - a pull request on any branch updates deployments in the staging workspace
+        - a merge to `main` updates deployments in the prod workspace
 - build and push docker images that do _not_ contain flow code, and are tagged like `:<commit-hash>-<environment>` to tie the code version and branch/env to image versions
 - cache both docker image layers and pip dependencies for ultra fast rebuilds
 - push code to S3 (via the `push` step of each `prefect.yaml`), where: