tds challan correction

Hi .. i hv 1 tds query .. see whether u hv anser ... we pay tds us 94i but actually we hv to pay us 94h now i was trying oltas correction through traces ... but it gives msg to change Fy; section; code 200/400 & major head 20/21 .. we want to change only section to 94h but it says change all .. any solution ??