Fix ioctl docs link and fd module wording

Author: futurehua

README.md

@@ -109,7 +109,7 @@ API modules are conditional with cargo feature flags.
 [`rustix::io`]: https://docs.rs/rustix/*/rustix/io/index.html
 [`rustix::fd`]: https://docs.rs/rustix/*/rustix/fd/index.html
 [`rustix::ffi`]: https://docs.rs/rustix/*/rustix/ffi/index.html
-[`rustix::ioctl`]: https://docs.rs/rustix/*/rustix/ffi/ioctl.html
+[`rustix::ioctl`]: https://docs.rs/rustix/*/rustix/ioctl/index.html
 
 ## 64-bit Large File Support (LFS) and Year 2038 (y2038) support
 

src/lib.rs

@@ -198,11 +198,11 @@ mod backend;
 
 /// Export the `*Fd` types and traits that are used in rustix's public API.
 ///
-/// This module exports the types and traits from [`std::os::fd`], or polyills
+/// This module exports the types and traits from [`std::os::fd`], or polyfills
 /// on Rust < 1.66 or on Windows.
 ///
 /// On Windows, the polyfill consists of aliases of the socket types and
-/// traits, For example, [`OwnedSocket`] is aliased to `OwnedFd`, and so on,
+/// traits. For example, [`OwnedSocket`] is aliased to `OwnedFd`, and so on,
 /// and there are blanket impls for `AsFd` etc. that map to `AsSocket` impls.
 /// These blanket impls suffice for using the traits, however not for
 /// implementing them, so this module also exports `AsSocket` and the other