fix nitpicks from review

Author: WaffleLapkin

library/core/src/intrinsics.rs

@@ -2209,7 +2209,7 @@ pub(crate) fn is_nonoverlapping<T>(src: *const T, dst: *const T, count: usize) -
 ///     dst.reserve(src_len);
 ///
 ///     unsafe {
-///         // The call to offset is always safe because `Vec` will never
+///         // The call to add is always safe because `Vec` will never
 ///         // allocate more than `isize::MAX` bytes.
 ///         let dst_ptr = dst.as_mut_ptr().add(dst_len);
 ///         let src_ptr = src.as_ptr();

library/core/src/sync/atomic.rs

@@ -1554,7 +1554,7 @@ impl<T> AtomicPtr<T> {
     /// Offsets the pointer's address by adding `val` *bytes*, returning the
     /// previous pointer.
     ///
-    /// This is equivalent to using [`wrapping_add`] and [`cast`] to atomically
+    /// This is equivalent to using [`wrapping_byte_add`] to atomically
     /// perform `ptr = ptr.wrapping_byte_add(val)`.
     ///
     /// `fetch_byte_add` takes an [`Ordering`] argument which describes the
@@ -1565,8 +1565,7 @@ impl<T> AtomicPtr<T> {
     /// **Note**: This method is only available on platforms that support atomic
     /// operations on [`AtomicPtr`].
     ///
-    /// [`wrapping_add`]: pointer::wrapping_add
-    /// [`cast`]: pointer::cast
+    /// [`wrapping_byte_add`]: pointer::wrapping_byte_add
     ///
     /// # Examples
     ///
@@ -1591,7 +1590,7 @@ impl<T> AtomicPtr<T> {
     /// Offsets the pointer's address by subtracting `val` *bytes*, returning the
     /// previous pointer.
     ///
-    /// This is equivalent to using [`wrapping_sub`] and [`cast`] to atomically
+    /// This is equivalent to using [`wrapping_byte_sub`] to atomically
     /// perform `ptr = ptr.wrapping_byte_sub(val)`.
     ///
     /// `fetch_byte_sub` takes an [`Ordering`] argument which describes the
@@ -1602,8 +1601,7 @@ impl<T> AtomicPtr<T> {
     /// **Note**: This method is only available on platforms that support atomic
     /// operations on [`AtomicPtr`].
     ///
-    /// [`wrapping_sub`]: pointer::wrapping_sub
-    /// [`cast`]: pointer::cast
+    /// [`wrapping_byte_sub`]: pointer::wrapping_byte_sub
     ///
     /// # Examples
     ///