Merge pull request #17 from paradigmxyz/onbjerg/docs

docs: document updating formula

README.md

@@ -1,9 +1,15 @@
-## How do I install these formulae?
+## Paradigm Brew Formulae
 
-`brew install paradigmxyz/brew/<formula>`
+Homebrew formulae and casks for various Paradigm software.
 
-Or `brew tap paradigmxyz/brew` and then `brew install <formula>`.
+### How do I install these formulae?
 
-## Documentation
+Either install directly using `brew install paradigmxyz/brew/<formula>`, or add the tap first `brew tap paradigmxyz/brew` and then use `brew install <formula>`.
 
-`brew help`, `man brew` or check [Homebrew's documentation](https://docs.brew.sh).
+### How do I update the formulae?
+
+1. Open a PR, changing the tag and revision as appropriate (revision should point to the tagged commit)
+2. Wait for CI to finish
+3. Add the `pr-pull` label, which will do a bunch of housekeeping for you and merge the PR[^1]
+
+[^1]: The PR will be closed