Fixed bad doc comment

Author: spencer3035

Diff for: library/core/src/slice/iter.rs

@@ -922,7 +922,7 @@ impl<T, P> FusedIterator for SplitInclusiveMut<'_, T, P> where P: FnMut(&T) -> b
 /// let slice = [11, 22, 33, 0, 44, 55];
 /// let mut iter = slice.rsplit(|num| *num == 0);
 /// assert_eq!(iter.next(), Some(&[44, 55][..]));
-/// assert_eq!(iter.next(), Some(&[10, 22, 33][..]));
+/// assert_eq!(iter.next(), Some(&[11, 22, 33][..]));
 /// assert_eq!(iter.next(), None);
 /// ```
 ///