Errata: readme file

[Lucia Specia]

Hi all,

Thanks for the interest in the task. Just a small correction in the
readme file we made available with the trial data: it said "No Ties
are allowed to indicate words with similar level of difficulty. "

where it should be:

"Ties are allowed to indicate words with similar level of difficulty.
"

If you have any further question/comment, please start a new post on
this forum.

Looking forward to your participation,

Lucia