[e] (0) Update term in data-* section to match DOM. ('attribute list' vs 'attributes list')
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=23658
Affected topics: HTML

git-svn-id: http://svn.whatwg.org/webapps@8245 340c8d12-0b0e-0410-8428-c7bf67bfef74