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Fix spelling error.

2 files changed, 2 insertions, 2 deletions

diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs
index 8ac1b5b488a..c1db035167b 100644
--- a/library/alloc/src/rc.rs
+++ b/library/alloc/src/rc.rs
@@ -1122,7 +1122,7 @@ impl<T: ?Sized> Rc<T> {
     ///     // this is Undefined Behavior, because x's inner type is str, not [u8]
     ///     Rc::get_mut_unchecked(&mut y).fill(0xff); // 0xff is invalid in UTF-8
     /// }
-    /// println!("{}", &*x); // Invliad UTF-8 in a str
+    /// println!("{}", &*x); // Invalid UTF-8 in a str
     /// ```
     /// Other `Rc` pointers to the same allocation must be to the exact same type, including lifetimes.
     /// ```ignore
diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs
index e4d7bfdaeed..e32ce5a9891 100644
--- a/library/alloc/src/sync.rs
+++ b/library/alloc/src/sync.rs
@@ -1661,7 +1661,7 @@ impl<T: ?Sized> Arc<T> {
     ///     // this is Undefined Behavior, because x's inner type is str, not [u8]
     ///     Arc::get_mut_unchecked(&mut y).fill(0xff); // 0xff is invalid in UTF-8
     /// }
-    /// println!("{}", &*x); // Invliad UTF-8 in a str
+    /// println!("{}", &*x); // Invalid UTF-8 in a str
     /// ```
     /// Other `Arc` pointers to the same allocation must be to the exact same type, including lifetimes.
     /// ```ignore