diff --git a/exercises/isogram/README.md b/exercises/isogram/README.md
index 5668c1f32..dbe4a5e26 100644
--- a/exercises/isogram/README.md
+++ b/exercises/isogram/README.md
@@ -32,7 +32,7 @@ to pass again.  The test file is located in the `tests` directory.   You can
 also remove the ignore flag from all the tests to get them to run all at once
 if you wish.
 
-Make sure to read the [Crates and Modules](https://doc.rust-lang.org/stable/book/crates-and-modules.html) chapter if you
+Make sure to read the [Modules](https://doc.rust-lang.org/book/second-edition/ch07-00-modules.html) chapter if you
 haven't already, it will help you with organizing your files.
 
 ## Feedback, Issues, Pull Requests
@@ -42,7 +42,8 @@ The [exercism/rust](https://github.com/exercism/rust) repository on GitHub is th
 If you want to know more about Exercism, take a look at the [contribution guide](https://github.com/exercism/docs/blob/master/contributing-to-language-tracks/README.md).
 
 [help-page]: http://exercism.io/languages/rust
-[crates-and-modules]: http://doc.rust-lang.org/stable/book/crates-and-modules.html
+[modules]: https://doc.rust-lang.org/book/second-edition/ch07-00-modules.html
+[cargo]: https://doc.rust-lang.org/book/second-edition/ch14-00-more-about-cargo.html
 
 ## Source
 
diff --git a/exercises/two-bucket/README.md b/exercises/two-bucket/README.md
index e699feaa6..31638f8bf 100644
--- a/exercises/two-bucket/README.md
+++ b/exercises/two-bucket/README.md
@@ -48,7 +48,7 @@ to pass again.  The test file is located in the `tests` directory.   You can
 also remove the ignore flag from all the tests to get them to run all at once
 if you wish.
 
-Make sure to read the [Crates and Modules](https://doc.rust-lang.org/stable/book/crates-and-modules.html) chapter if you
+Make sure to read the [Modules](https://doc.rust-lang.org/book/second-edition/ch07-00-modules.html) chapter if you
 haven't already, it will help you with organizing your files.
 
 ## Feedback, Issues, Pull Requests
@@ -58,7 +58,8 @@ The [exercism/rust](https://github.com/exercism/rust) repository on GitHub is th
 If you want to know more about Exercism, take a look at the [contribution guide](https://github.com/exercism/docs/blob/master/contributing-to-language-tracks/README.md).
 
 [help-page]: http://exercism.io/languages/rust
-[crates-and-modules]: http://doc.rust-lang.org/stable/book/crates-and-modules.html
+[modules]: https://doc.rust-lang.org/book/second-edition/ch07-00-modules.html
+[cargo]: https://doc.rust-lang.org/book/second-edition/ch14-00-more-about-cargo.html
 
 ## Source