Clarification on a title attribute in a span


from this exercise:

Please, I would like some clarification about the goal of the title attribute in this span:

const story = <p>A <span class="word">${firstAnimal} title="id: animal-1"</span>

Usually, it is use for tooltip, but in this scenario, I don’t understand the point of it since we just fill the “gaps” with data gathered from a form.

Can you link the exercise?

Here it is: