fix(move_semantics2): clarify referencing
@@ -300,7 +300,7 @@ There's a few ways to fix this, try them all if you want:
2. Make `fill_vec` borrow its argument instead of taking ownership of it,
and then copy the data within the function in order to return an owned
`Vec<i32>`
-3. Make `fill_vec` *mutably* borrow its argument (which will need to be
+3. Make `fill_vec` *mutably* borrow a reference to its argument (which will need to be
mutable), modify it directly, then not return anything. Then you can get rid
of `vec1` entirely -- note that this will change what gets printed by the
first `println!`"""
