Some cosmetic updates to the docs

Signed-off-by: Kwpolska <kwpolska@gmail.com>
Grammar fixes and such

Signed-off-by: Kwpolska <kwpolska@gmail.com>
fixed underline

Signed-off-by: Kwpolska <kwpolska@gmail.com>
session object should be uppercase

Signed-off-by: Kwpolska <kwpolska@gmail.com>
further treatment

Signed-off-by: Kwpolska <kwpolska@gmail.com>
Merge pull request #1474 from Kwpolska/docfix

Some tiny fixes to the documentation