Fix typos “a”→“an”

2 files changed, 2 insertions, 2 deletions

diff --git a/library/core/src/iter/adapters/zip.rs b/library/core/src/iter/adapters/zip.rs
index c7e69e922c1..17697fa0e04 100644
--- a/library/core/src/iter/adapters/zip.rs
+++ b/library/core/src/iter/adapters/zip.rs
@@ -563,7 +563,7 @@ where
 }
 
 unsafe trait SpecTrustedRandomAccess: Iterator {
-    /// If `Self: TrustedRandomAccess`, it must be safe to call a
+    /// If `Self: TrustedRandomAccess`, it must be safe to call
     /// `Iterator::__iterator_get_unchecked(self, index)`.
     unsafe fn try_get_unchecked(&mut self, index: usize) -> Self::Item;
 }
diff --git a/library/core/src/iter/traits/marker.rs b/library/core/src/iter/traits/marker.rs
index ebf37f97bc6..844459d77cd 100644
--- a/library/core/src/iter/traits/marker.rs
+++ b/library/core/src/iter/traits/marker.rs
@@ -25,7 +25,7 @@ impl<I: FusedIterator + ?Sized> FusedIterator for &mut I {}
 /// (lower bound is equal to upper bound), or the upper bound is [`None`].
 /// The upper bound must only be [`None`] if the actual iterator length is
 /// larger than [`usize::MAX`]. In that case, the lower bound must be
-/// [`usize::MAX`], resulting in a [`Iterator::size_hint()`] of
+/// [`usize::MAX`], resulting in an [`Iterator::size_hint()`] of
 /// `(usize::MAX, None)`.
 ///
 /// The iterator must produce exactly the number of elements it reported