Update Readme (#115)

Author: atouchet

README.md

@@ -16,13 +16,13 @@ A Rust equivalent of Unix command "which". Locate installed executable in cross
 
 This project aims to support WebAssembly with the [WASI](https://wasi.dev/) extension. All `wasm32-wasi*` targets are officially supported.
 
-If you need to add a conditional dependency on `which` please refer to [the relevant cargo documentation for platform specific dependencies.](https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies)
+If you need to add a conditional dependency on `which` please refer to [the relevant Cargo documentation for platform specific dependencies.](https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies)
 
 Here's an example of how to conditionally add `which`. You should tweak this to your needs.
 
 ```toml
 [target.'cfg(not(all(target_family = "wasm", target_os = "unknown")))'.dependencies]
-which = "7.0.0"
+which = "8.0.0"
 ```
 
 Note that non-WASI environments have no access to the system. Using this in that situation requires disabling the default features of this crate and providing a custom `which::sys::Sys` implementation to `which::WhichConfig`.
@@ -38,7 +38,7 @@ Note that non-WASI environments have no access to the system. Using this in that
     assert_eq!(result, PathBuf::from("/usr/bin/rustc"));
     ```
 
-2. After enabling the `regex` feature, find all cargo subcommand executables on the path:
+2. After enabling the `regex` feature, find all Cargo subcommand executables on the path:
 
     ``` rust
     use which::which_re;