Auto merge of #39981 - frewsxcv:rollup, r=frewsxcv

Rollup of 3 pull requests

- Successful merges: #39913, #39937, #39976
- Failed merges:

3 files changed, 8 insertions, 8 deletions

diff --git a/src/libstd/collections/hash/map.rs b/src/libstd/collections/hash/map.rs
index 079dbd667d6..fd5827b4c07 100644
--- a/src/libstd/collections/hash/map.rs
+++ b/src/libstd/collections/hash/map.rs
@@ -182,15 +182,15 @@ impl DefaultResizePolicy {
 // ----------------------
 // To protect against degenerate performance scenarios (including DOS attacks),
 // the implementation includes an adaptive behavior that can resize the map
-// early (before it's capacity is exceeded) when suspiciously long probe or
-// foward shifts sequences are encounted.
+// early (before its capacity is exceeded) when suspiciously long probe or
+// forward shifts sequences are encountered.
 //
 // With this algorithm in place it would be possible to turn a CPU attack into
-// a memory attack due to the agressive resizing. To prevent that the
+// a memory attack due to the aggressive resizing. To prevent that the
 // adaptive behavior only triggers when the map occupancy is half the maximum occupancy.
-// This reduces the effectivenes of the algorithm but also makes it completelly safe.
+// This reduces the effectiveness of the algorithm but also makes it completely safe.
 //
-// The previous safety measure that also prevents degenerate iteractions with
+// The previous safety measure also prevents degenerate interactions with
 // really bad quality hash algorithms that can make normal inputs look like a
 // DOS attack.
 //
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index 88c2310a86e..070690773b6 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/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/libstd/primitive_docs.rs b/src/libstd/primitive_docs.rs
index 1b3e17c300e..11197db98a3 100644
--- a/src/libstd/primitive_docs.rs
+++ b/src/libstd/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
 ///