Thanks Graham. I had the same problem and I was always disappointed
with the page I landed on on the website. It doesn't even have an
obvious link to help material either.
The help directory took a bit of finding. On my UbuntStudio 1404
installation, I found it in /usr/share/libreoffice/help/ and I did have
a discrepancy between the type of EN defined in LO Writer
Tools/options/Language settings/Languages/User interface and the
language pack in the help directory.
Making the User interface setting the same as the help directory pack
has now eliminated the jump to the website.
Philip