SIGN IN SIGN UP

Fix terminology in comment and add more design rationale. (#3335)

* Fix terminology in comment and add more design rationale.

* Fix extra space
R
Raymond Hettinger committed
64263dfd182da4984c51ea33ebd597369d4196f3
Parent: 5503709
Committed by GitHub <noreply@github.com> on 9/5/2017, 1:54:16 AM