We hate for that to happen; maintaining high-quality documentation is very important to us. Occasionally, however, we slip up. If you find such a mistake please report it to us. We'll check it out and if we agree that it's a typo or mistake in our documentation, and we fix it as a result of your report, we'll give you a $1.00 service credit as a bounty. (Full details can be found on the typo bounty page.)