python x.py build src/libcore --stage 0
```
-You can explore the build system throught the various `--help` pages for each
+You can explore the build system through the various `--help` pages for each
subcommand. For example to learn more about a command you can run:
```
the other rollup-eligible patches too, and they'll get tested and merged at
the same time.
-To find documentation-related issues, sort by the [A-docs label][adocs].
+To find documentation-related issues, sort by the [T-doc label][tdoc].
-[adocs]: https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AA-docs
+[tdoc]: https://github.com/rust-lang/rust/issues?q=is%3Aopen%20is%3Aissue%20label%3AT-doc
+
+You can find documentation style guidelines in [RFC 1574][rfc1574].
+
+[rfc1574]: https://github.com/rust-lang/rfcs/blob/master/text/1574-more-api-documentation-conventions.md#appendix-a-full-conventions-text
In many cases, you don't need a full `./x.py doc`. You can use `rustdoc` directly
to check small fixes. For example, `rustdoc src/doc/reference.md` will render