Mistake in Accordion Design pattern text

Hi there,

while implementing an example of accordion that respects the WAI design
pattern , I think I've found a small mistake in the accordion design
pattern:
http://www.w3.org/TR/wai-aria-practices/#accordion

in Keyboard Interaction > Left arrow , the sentence says:
"When focus reaches the first header, further up/left arrow key presses
optionally wrap to the first header. "

Should it be:
"When focus reaches the first header, further up/left arrow key presses
optionally wrap to the *last* header. "

As below, for the opposite case it is written "When focus reaches the last
header, further down/right arrow key presses optionally wrap to the first
header ", which seems to be correct, I suppose it is a small mistake for
the Left arrow text.


Kind regards,
Nicolas

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