Work experience

<p>For the past few months, I've worked at a place every Saturday for a few hours. I'd thought that I would work there for the rest of the year, but because that place has hired more full time employees, needless to say I longer work there. I, however, put on the common app the estimated number of weeks, unfortunately including those of the rest of the school year, that I'd be working. Do I have to email each individual college about that I no longer work (so the estimated number of hours is wrong)?</p>