fix: typo in vec.rs

Author: pdbrito

src/liballoc/vec.rs

@@ -176,7 +176,7 @@ use crate::raw_vec::RawVec;
 /// ```
 ///
 /// In Rust, it's more common to pass slices as arguments rather than vectors
-/// when you just want to provide a read access. The same goes for [`String`] and
+/// when you just want to provide read access. The same goes for [`String`] and
 /// [`&str`].
 ///
 /// # Capacity and reallocation