message: Update lib/api/src/ptr.rs
  It seems I forgot to install my spellchecker!
diff: @@ -34,7 +34,7 @@ pub struct Item;
  /// ```
  ///
  /// This type can also be used with primitive-filled structs, but be careful of
  -/// guarentees required by ValueType.
  +/// guarantees required by `ValueType`.
  /// ```
  /// #[derive(Copy, Clone, Default)]
  /// #[repr(C)]
  