Correct multiple language error

"Information" is always singular in English.
The verb "allows" requires a direct complement ("to allow one to do
something", not "to allow to do something").
Small style fixes
browser2: Allow setting query string params on build_url

The outcome is exactly the same as using requests with the "params"
parameter.
make_man: Tell that it was generated automatically

So people don't waste time altering them, but alter the source instead.