Error in Learning Material?

[smslocum]

"If the 32-bit binary address starts with the bits 19, the address is a Class B address"

should be "starts with the bits 10".

I'm new, and super-credulous, and was very ready to memorize the preceding before noticing that something must be wrong.

Best wishes

[Chrispcritters]

Thanks, the typo has been corrected.