env var formatting

README.md

@@ -12,11 +12,11 @@ This repository supposes the following, for the sake of example:
 - Flows run in containers, so images need to be rebuilt when Python dependencies or docker build steps change. Since dependencies can differ per branch/workspace, each branch/workspace pairing should have its own image.
 - Images are stored on Dockerhub.
 - The following values are stored as secrets in the repository's settings:
-  - PREFECT_API_KEY
-  - PREFECT_API_URL (API url for produciton workspace)
-  - PREFECT_API_URL_STG (API url for staging workspace)
-  - DOCKERHUB_USERNAME
-  - DOCKERHUB_TOKEN
+  - `PREFECT_API_KEY`
+  - `PREFECT_API_URL` (API url for produciton workspace)
+  - `PREFECT_API_URL_STG` (API url for staging workspace)
+  - `DOCKERHUB_USERNAME`
+  - `DOCKERHUB_TOKEN`
 
 When the Github Actions workflow is run, `select_actions` will modify the `prefect.yaml` that has been cloned into the Github Actions runner. `prefect deploy --all` will be run against the modified yaml, which only persists for the duration of the Actions workflow.