Fix typos “an”→“a” and a few different ones that appeared in the same search

6 files changed, 6 insertions, 6 deletions

diff --git a/library/std/src/ffi/mod.rs b/library/std/src/ffi/mod.rs
index 0b7dc256db8..fe4e3af91ad 100644
--- a/library/std/src/ffi/mod.rs
+++ b/library/std/src/ffi/mod.rs
@@ -94,7 +94,7 @@
 //!
 //! * [`OsStr`] represents a borrowed reference to a string in a
 //! format that can be passed to the operating system. It can be
-//! converted into an UTF-8 Rust string slice in a similar way to
+//! converted into a UTF-8 Rust string slice in a similar way to
 //! [`OsString`].
 //!
 //! # Conversions
diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs
index fa073d080c6..28254fea0d3 100644
--- a/library/std/src/io/mod.rs
+++ b/library/std/src/io/mod.rs
@@ -1150,7 +1150,7 @@ impl<'a> DerefMut for IoSliceMut<'a> {
 
 /// A buffer type used with `Write::write_vectored`.
 ///
-/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
+/// It is semantically a wrapper around a `&[u8]`, but is guaranteed to be
 /// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
 /// Windows.
 #[stable(feature = "iovec", since = "1.36.0")]
diff --git a/library/std/src/keyword_docs.rs b/library/std/src/keyword_docs.rs
index 605bd33a4bf..749a441d182 100644
--- a/library/std/src/keyword_docs.rs
+++ b/library/std/src/keyword_docs.rs
@@ -2289,7 +2289,7 @@ mod dyn_keyword {}
 /// }
 ///
 /// let mut u = IntOrFloat { f: 1.0 };
-/// // Reading the fields of an union is always unsafe
+/// // Reading the fields of a union is always unsafe
 /// assert_eq!(unsafe { u.i }, 1065353216);
 /// // Updating through any of the field will modify all of them
 /// u.i = 1073741824;
diff --git a/library/std/src/sys/windows/stdio.rs b/library/std/src/sys/windows/stdio.rs
index 1cf0e9f0cf1..6f2618c63b5 100644
--- a/library/std/src/sys/windows/stdio.rs
+++ b/library/std/src/sys/windows/stdio.rs
@@ -162,7 +162,7 @@ impl io::Read for Stdin {
         }
 
         let mut utf16_buf = [0u16; MAX_BUFFER_SIZE / 2];
-        // In the worst case, an UTF-8 string can take 3 bytes for every `u16` of an UTF-16. So
+        // In the worst case, a UTF-8 string can take 3 bytes for every `u16` of a UTF-16. So
         // we can read at most a third of `buf.len()` chars and uphold the guarantee no data gets
         // lost.
         let amount = cmp::min(buf.len() / 3, utf16_buf.len());
diff --git a/library/std/src/sys_common/wtf8.rs b/library/std/src/sys_common/wtf8.rs
index 1bd3cfd2200..9508bd7da59 100644
--- a/library/std/src/sys_common/wtf8.rs
+++ b/library/std/src/sys_common/wtf8.rs
@@ -785,7 +785,7 @@ pub fn is_code_point_boundary(slice: &Wtf8, index: usize) -> bool {
 /// Copied from core::str::raw::slice_unchecked
 #[inline]
 pub unsafe fn slice_unchecked(s: &Wtf8, begin: usize, end: usize) -> &Wtf8 {
-    // memory layout of an &[u8] and &Wtf8 are the same
+    // memory layout of a &[u8] and &Wtf8 are the same
     Wtf8::from_bytes_unchecked(slice::from_raw_parts(s.bytes.as_ptr().add(begin), end - begin))
 }
 
diff --git a/library/std/src/time/monotonic.rs b/library/std/src/time/monotonic.rs
index 27fee6acff3..fa96b7abff6 100644
--- a/library/std/src/time/monotonic.rs
+++ b/library/std/src/time/monotonic.rs
@@ -84,7 +84,7 @@ pub mod inner {
     pub(super) fn monotonize(raw: time::Instant) -> time::Instant {
         let delta = raw.checked_sub_instant(&ZERO).unwrap();
         // Split into seconds and nanos since Duration doesn't have a
-        // constructor that takes an u128
+        // constructor that takes a u128
         let secs = delta.as_secs() as u128;
         let nanos = delta.subsec_nanos() as u128;
         let timestamp: u128 = secs << 64 | nanos;