diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs
index 45193c11e1d6..303f1bf8f65e 100644
--- a/library/core/src/sync/atomic.rs
+++ b/library/core/src/sync/atomic.rs
@@ -2121,7 +2121,7 @@ macro_rules! atomic_int {
      $int_type:ident $atomic_type:ident) => {
         /// An integer type which can be safely shared between threads.
         ///
-        /// This type has the same in-memory representation as the underlying
+        /// This type has the same in-memory size and bit validity as the underlying
         /// integer type, [`
         #[doc = $s_int_type]
         /// `].