Auto merge of #30445 - steveklabnik:rollup, r=steveklabnik

- Successful merges: #30370, #30404, #30415, #30419, #30428, #30437, #30439, #30441, #30442, #30443
- Failed merges:

3 files changed, 3 insertions, 3 deletions

diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index 054f281c070..0f8b2f6e17b 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -25,7 +25,7 @@
 //!
 //! # How to read this documentation
 //!
-//! If you already know the name of what you are looking for the fastest way to
+//! If you already know the name of what you are looking for, the fastest way to
 //! find it is to use the <a href="#" onclick="focusSearchBar();">search
 //! bar</a> at the top of the page.
 //!
diff --git a/src/libstd/prelude/mod.rs b/src/libstd/prelude/mod.rs
index bda4cdfb437..04568ad85bf 100644
--- a/src/libstd/prelude/mod.rs
+++ b/src/libstd/prelude/mod.rs
@@ -43,7 +43,7 @@
 //!
 //! [`std::io::prelude`]: ../io/prelude/index.html
 //!
-//! The differece between 'the prelude' and these other preludes is that they
+//! The difference between 'the prelude' and these other preludes is that they
 //! are not automatically `use`'d, and must be imported manually. This is still
 //! easier than importing all of their consitutent components.
 //!
diff --git a/src/libstd/primitive_docs.rs b/src/libstd/primitive_docs.rs
index afeb4231aba..ed59c51b0f0 100644
--- a/src/libstd/primitive_docs.rs
+++ b/src/libstd/primitive_docs.rs
@@ -333,7 +333,7 @@ mod prim_slice { }
 /// let ptr = story.as_ptr();
 /// let len = story.len();
 ///
-/// // story has thirteen bytes
+/// // story has nineteen bytes
 /// assert_eq!(19, len);
 ///
 /// // We can re-build a str out of ptr and len. This is all unsafe becuase