///
/// This is exactly like [`code()`](Self::code), except that it returns a `NonZeroI32`.
///
- /// Plain `code`, returning a plain integer, is provided because is is often more convenient.
+ /// Plain `code`, returning a plain integer, is provided because it is often more convenient.
/// The returned value from `code()` is indeed also nonzero; use `code_nonzero()` when you want
/// a type-level guarantee of nonzeroness.
///