Update library/core/src/hash/mod.rs

Co-authored-by: Amanieu d'Antras <amanieu@gmail.com>

Author: pierwill

library/core/src/hash/mod.rs

@@ -157,7 +157,7 @@ mod sip;
 ///
 /// Implementations of `hash` should ensure that the data they
 /// pass to the `Hasher` are prefix-free. That is,
-/// unequal values should cause two different byte sequences to be written,
+/// unequal values should cause two different sequences of values to be written,
 /// and neither of the two sequences should be a prefix of the other.
 ///
 /// For example, the standard implementation of [`Hash` for `&str`][impl] passes an extra