Update src/lib.rs

Co-authored-by: Wei Tang <wei@that.world>

src/lib.rs

@@ -10,7 +10,7 @@ mod log;
 mod receipt;
 mod transaction;
 
-/// This type alias is necessary for rlp-derive to work correctly
+/// Alias for `Vec<u8>`. This type alias is necessary for rlp-derive to work correctly.
 pub type Bytes = alloc::vec::Vec<u8>;
 
 pub use account::Account;