Test format title element

Hello all,

I'd like to know what is the correct, exact title element format for
testcase submissions.

http://wiki.csswg.org/test/css2.1/format#title-element

states

<title>CSS Test: DESCRIPTION OF TEST</title>

but slide 6 of

http://fantasai.inkedblade.net/style/tests/about/css21ts/

states

<title>CSS 2.1 Test Suite: DESCRIPTION OF TEST</title>

regards, Gérard