Update index.html

15:31:59) wei2912_: please convert all single quotes to double quotes, then enclose the value with single quotes
(15:32:03) wei2912_: push the commit
(15:32:09) wei2912_: for example
(15:32:36) wei2912_: head: <derp>'''</derp>
(15:32:38) wei2912_: change to
(15:33:07) wei2912_: head: '<derp>"""</derp>
^ Think I did that right - we'll soon tell.