Documentation - API Reference - Fetch API - Synchronous Fetches seems out of date

https://github.com/emscripten-core/emscripten/blob/main/site/source/docs/api_reference/fetch.rst#synchronous-fetches

It states:
```--proxy-to-worker + -s USE_PTHREADS=1: Synchronous Fetch operations are available both on the main thread and pthreads.```

If you try to apply those flags with 2.0.26 you get:
```--proxy-to-worker is not supported with -s USE_PTHREADS>0! Use the option -s PROXY_TO_PTHREAD=1 if you want to run the main thread of a multithreaded application in a web worker.```