* [This page in the first edition of the The Rust Programming Language][1]
-* [Index of the second edition of The Rust Programming Language][2]
+* [Related page in the second edition of The Rust Programming Language][2]
[1]: first-edition/enums.html
-[2]: second-edition/index.html
+[2]: second-edition/ch06-01-defining-an-enum.html