an unusual paragraph

"This is a most unusual paragraph. This writing may annoy you until you
find out why it is so unusual, for you won't find a solution
instantly. But don't go into a tailspin about it or go crazy, for it
isn't that difficult. But you will admit that it is most unusual. This
writing looks so ordinary that you might think that nothing is wrong
with it. And, in fact, nothing is wrong with it. But it is unusual,
and you must ask why. If you study and think about it, you may find
out why, but you must do it without any coaching of any kind. No doubt
if you work at it for long, it will dawn on you...who knows? So start
to study it now, and try your skill at finding out what is so unusual
about this writing. If you can do it in half an hour, you may claim an
approach to wisdom, but if you can't do it in half an hour..."

Have you found it yet? a cookie to whoever guesses what is wrong with this paragraph! Highlight the text below to find the mysterious answer you loser!

"It has no vowel E. "

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