docs: fixing references

Author: DeveloperC286

library/alloc/src/vec/into_iter.rs

@@ -10,7 +10,7 @@ use core::slice::{self};
 
 /// An iterator that moves out of a vector.
 ///
-/// This `struct` is created by the `into_iter` method on [`Vec`] (provided
+/// This `struct` is created by the `into_iter` method on [`super::Vec`] (provided
 /// by the [`IntoIterator`] trait).
 ///
 /// # Example