Hello,
could you please check the sentence between the ***? I think that
someting is missing but I'm not so expert in English so I could be wrong.
https://github.com/deltachat/deltachat-pages/blob/master/en/help.md
Note that if anyone has seized or hacked your running phone,
they will typically be able to read all messages, no matter if Perfect
Forward Secrecy is in place or not. *** Having access to a single device
from a member of a group, will typically a lot of the social graph. ***
Thanks,
Enrico