Makes it all worthwhile

Spell-checkers are great, but sometimes they just don't cut the mustard. Here's an example of why you really need to employ a sub:

“The male rufous whistler is quite a handsome bird with distinctive rufous underparts, grey head and white throat, combined with a black mask. The female and immature birds are more subtly coloured, but can be distinguished from most other whistlers by heavy streaking on the underpants.”

[From an actual article I was subbing for the January issue of a magazine I work for.]

I thought it was just 11-year-old boys who could be identified by that means, due to their lax personal hygiene habits.