Correct a typo in procedural macros chapter of the Book.

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Benoît CORTIER 2017-02-15 13:44:52 +01:00 committed by GitHub
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@ -169,7 +169,7 @@ So this is where quotes comes in. The `ast` argument is a struct that gives us
a representation of our type (which can be either a `struct` or an `enum`).
Check out the [docs](https://docs.rs/syn/0.10.5/syn/struct.MacroInput.html),
there is some useful information there. We are able to get the name of the
type using `ast.ident`. The `quote!` macro let's us write up the Rust code
type using `ast.ident`. The `quote!` macro let us write up the Rust code
that we wish to return and convert it into `Tokens`. `quote!` let's us use some
really cool templating mechanics; we simply write `#name` and `quote!` will
replace it with the variable named `name`. You can even do some repetition