This is where the real magic happens. The library is using the rustc-defined
`include!` macro in combination with the `concat!` and `env!` macros to include
-the generated file (`mod.rs`) into the crate’s compilation.
+the generated file (`hello.rs`) into the crate’s compilation.
Using the structure shown here, crates can include any number of generated files
from the build script itself. We’ve also seen a brief example of how a build