//! * `^` - the argument is center-aligned in `width` columns
//! * `>` - the argument is right-aligned in `width` columns
//!
-//! Note that alignment may not be implemented by some types. A good way
-//! to ensure padding is applied is to format your input, then use this
-//! resulting string to pad your output.
+//! Note that alignment may not be implemented by some types. In particular, it
+//! is not generally implemented for the `Debug` trait. A good way to ensure
+//! padding is applied is to format your input, then use this resulting string
+//! to pad your output.
//!
//! ## Sign/`#`/`0`
//!