1 files changed, 4 insertions, 4 deletions
diff --git a/library/alloc/src/borrow.rs b/library/alloc/src/borrow.rs
index 0c8c796ae9b..84331eba2d4 100644
--- a/library/alloc/src/borrow.rs
+++ b/library/alloc/src/borrow.rs
@@ -115,7 +115,7 @@ where
 /// ```
 /// use std::borrow::Cow;
 ///
-/// fn abs_all(input: &mut Cow<[i32]>) {
+/// fn abs_all(input: &mut Cow<'_, [i32]>) {
 ///     for i in 0..input.len() {
 ///         let v = input[i];
 ///         if v < 0 {
@@ -145,7 +145,7 @@ where
 /// ```
 /// use std::borrow::Cow;
 ///
-/// struct Items<'a, X: 'a> where [X]: ToOwned<Owned = Vec<X>> {
+/// struct Items<'a, X> where [X]: ToOwned<Owned = Vec<X>> {
 ///     values: Cow<'a, [X]>,
 /// }
 ///
@@ -267,7 +267,7 @@ impl<B: ?Sized + ToOwned> Cow<'_, B> {
     ///
     /// assert_eq!(
     ///   cow,
-    ///   Cow::Owned(String::from("FOO")) as Cow<str>
+    ///   Cow::Owned(String::from("FOO")) as Cow<'_, str>
     /// );
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
@@ -311,7 +311,7 @@ impl<B: ?Sized + ToOwned> Cow<'_, B> {
     /// use std::borrow::Cow;
     ///
     /// let s = "Hello world!";
-    /// let cow: Cow<str> = Cow::Owned(String::from(s));
+    /// let cow: Cow<'_, str> = Cow::Owned(String::from(s));
     ///
     /// assert_eq!(
     ///   cow.into_owned(),