chore(docs): update dev instructions

web/README.md

@@ -2,13 +2,12 @@
 
 ### Contributing to the specs
 
-- `cd /web/spec/`
+- `cd ./web/spec/`
 - run `npm install`
 - run `make` which will pull the latest TSDoc with your updates
 
 > Note: `make` requires [`jq - a lightweight and flexible command-line JSON processor`](https://stedolan.github.io/jq/). To install on OSX with homebrew, run: `brew install jq`.
 
-- Add your comments to `supabase.yml` | `dart.yml` | `postgrest.yml` | `gotrue.yml` | `realtime.yml`
-- run `npm run gen:supabase` inside the `/spec` folder which will generate the Docusaurus pages
-- run `npm run build` to make sure the build is working
+- Apply your updates to `supabase.yml` | `dart.yml` | `postgrest.yml` | `gotrue.yml` | `realtime.yml`
+- run `npm run build && npm run start` to make sure the build is working
 - Submit your PR