Improve documentation of `ses.cookies.set()`
Improve documentation of `ses.cookies.set()`

Fix description of the `details.url` param in `ses.cookies.set()`, and clarify the fact that cookies without an expiration date will not be retained between sessions.
Floato/electron,Floato/electron,Floato/electron,Floato/electron,Floato/electron,Floato/electron