regenerate the readme again
@@ -29,9 +29,10 @@ Some Rust topics you may want to read about while solving this problem:
though it is fine to implement `years_during` in the Planet trait itself. A macro could
define both the structs and their implementations. Info to get started with macros can
be found at:
- [The Macros chapter in The Rust Programming Language](https://doc.rust-lang.org/stable/book/ch19-06-macros.html)
- [an older version of the Macros chapter with helpful detail](https://doc.rust-lang.org/1.30.0/book/first-edition/macros.html).
- [Rust By Example](https://doc.rust-lang.org/stable/rust-by-example/macros.html)
+
+ - [The Macros chapter in The Rust Programming Language](https://doc.rust-lang.org/stable/book/ch19-06-macros.html)
+ - [an older version of the Macros chapter with helpful detail](https://doc.rust-lang.org/1.30.0/book/first-edition/macros.html).
+ - [Rust By Example](https://doc.rust-lang.org/stable/rust-by-example/macros.html)
