Fix more “a”/“an” typos

5 files changed, 5 insertions, 5 deletions

diff --git a/src/librustdoc/formats/cache.rs b/src/librustdoc/formats/cache.rs
index d45f277a0a8..1830909d944 100644
--- a/src/librustdoc/formats/cache.rs
+++ b/src/librustdoc/formats/cache.rs
@@ -22,7 +22,7 @@ use crate::html::render::IndexItem;
 ///
 /// This structure purposefully does not implement `Clone` because it's intended
 /// to be a fairly large and expensive structure to clone. Instead this adheres
-/// to `Send` so it may be stored in a `Arc` instance and shared among the various
+/// to `Send` so it may be stored in an `Arc` instance and shared among the various
 /// rendering threads.
 #[derive(Default)]
 crate struct Cache {
diff --git a/src/test/ui/async-await/issues/issue-53249.rs b/src/test/ui/async-await/issues/issue-53249.rs
index e9079bfdd85..3a33af2d2ee 100644
--- a/src/test/ui/async-await/issues/issue-53249.rs
+++ b/src/test/ui/async-await/issues/issue-53249.rs
@@ -8,7 +8,7 @@ use std::future::Future;
 use std::marker::Unpin;
 use std::pin::Pin;
 
-// This is a regression test for a ICE/unbounded recursion issue relating to async-await.
+// This is a regression test for an ICE/unbounded recursion issue relating to async-await.
 
 #[derive(Debug)]
 #[must_use = "futures do nothing unless polled"]
diff --git a/src/test/ui/consts/cast-discriminant-zst-enum.rs b/src/test/ui/consts/cast-discriminant-zst-enum.rs
index 66b76627c02..e59ae297da1 100644
--- a/src/test/ui/consts/cast-discriminant-zst-enum.rs
+++ b/src/test/ui/consts/cast-discriminant-zst-enum.rs
@@ -1,5 +1,5 @@
 // run-pass
-// Test a ZST enum whose dicriminant is ~0i128. This caused an ICE when casting to a i32.
+// Test a ZST enum whose dicriminant is ~0i128. This caused an ICE when casting to an i32.
 #![feature(bench_black_box)]
 use std::hint::black_box;
 
diff --git a/src/test/ui/nll/issue-21232-partial-init-and-erroneous-use.rs b/src/test/ui/nll/issue-21232-partial-init-and-erroneous-use.rs
index 1983e13db0a..ebea6d3d9d1 100644
--- a/src/test/ui/nll/issue-21232-partial-init-and-erroneous-use.rs
+++ b/src/test/ui/nll/issue-21232-partial-init-and-erroneous-use.rs
@@ -1,4 +1,4 @@
-// This test enumerates various cases of interest where a ADT or tuple is
+// This test enumerates various cases of interest where an ADT or tuple is
 // partially initialized and then used in some way that is wrong *even*
 // after rust-lang/rust#54987 is implemented.
 //
diff --git a/src/tools/rustfmt/src/visitor.rs b/src/tools/rustfmt/src/visitor.rs
index 3f251bf7c16..770693d165b 100644
--- a/src/tools/rustfmt/src/visitor.rs
+++ b/src/tools/rustfmt/src/visitor.rs
@@ -36,7 +36,7 @@ pub(crate) struct SnippetProvider {
     big_snippet: Lrc<String>,
     /// A position of the start of `big_snippet`, used as an offset.
     start_pos: usize,
-    /// A end position of the file that this snippet lives.
+    /// An end position of the file that this snippet lives.
     end_pos: usize,
 }