diff --git a/src/lib.rs b/src/lib.rs
index 88c2310a8..070690773 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -189,8 +189,8 @@
 //! [`sync`]: sync/index.html
 //! [`thread`]: thread/index.html
 //! [`use std::env`]: env/index.html
-//! [`use`]: ../book/crates-and-modules.html#Importing%20Modules%20with%20use
-//! [crate root]: ../book/crates-and-modules.html#Basic%20terminology%3A%20Crates%20and%20Modules
+//! [`use`]: ../book/crates-and-modules.html#importing-modules-with-use
+//! [crate root]: ../book/crates-and-modules.html#basic-terminology-crates-and-modules
 //! [crates.io]: https://crates.io
 //! [deref coercions]: ../book/deref-coercions.html
 //! [files]: fs/struct.File.html
diff --git a/src/primitive_docs.rs b/src/primitive_docs.rs
index 1b3e17c30..11197db98 100644
--- a/src/primitive_docs.rs
+++ b/src/primitive_docs.rs
@@ -490,7 +490,7 @@ mod prim_str { }
 /// assert_eq!(tuple.2, 'c');
 /// ```
 ///
-/// For more about tuples, see [the book](../book/primitive-types.html#Tuples).
+/// For more about tuples, see [the book](../book/primitive-types.html#tuples).
 ///
 /// # Trait implementations
 ///