You didn’t look hard enough. There is plenty of information there. You won’t find the actual verbage but enough to have a very good understanding.
http://www.lds.org/temples/purpose/0,11298,1897-1,00.html
And if you treat it repectful it might brighten your day!
Something this VITAL should be available withOUT having to 'look hard'.
EVERY doctrine 'needed' for salvation is found with the pages of the Bible, so just WHY should someone look elsewhere?