Note that since we're creating an executable, we retain `main.rs` as the source
filename. If we want to make a library instead, we should use `lib.rs`. This
-convention is required for Cargo to successfully compile our projects, but it
-can be overridden if we wish. Custom file locations for the entry point can be
+convention is used by Cargo to successfully compile our projects, but it can be
+overridden if we wish. Custom file locations for the entry point can be
specified with a [`[lib]` or `[[bin]]`][crates-custom] key in the TOML file.
[crates-custom]: http://doc.crates.io/manifest.html#configuring-a-target
[toml]: https://github.com/toml-lang/toml
-Once you have this file in place in your project's root directory, we should be
+Once we have this file in place in our project's root directory, we should be
ready to build! To do so, run:
```bash