Explain build process in README

README.md

@@ -11,6 +11,9 @@ The website build process will attempt to automatically geocode (lookup coordina
 
 How to hack on this website
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+While the website is written in Flask, at [build time](./workflows/build.yml) it's converted into a static site using the highly sophisticated method of `wget` - this happens every hour as long as Github Actions is working. If you add a new page, it needs to be linked from somewhere for the wget crawl to pick it up.
+
+To edit:
 * Install [uv](https://docs.astral.sh/uv/)
 * Check out the repository
 * Start the dev server with `uv run ./ps.py`