Hola Nicole
We tagged the wrong lesson in that bit of text. It shouldn't be tagging the lesson about the present subjunctive of -zar verbs, as the verb is in the indicative. This is the right lesson to go to:
Semi-regular verbs with change -e to -ie in El Presente
We'll re-tag the right lesson as soon as possible.
I imagine this was your doubt?
Saludos
Inma