[Plugin: NextGEN Gallery] problem with multiple descriptions

im trying to add more description fields to manage-images.php by adding ` <td <?php echo $attributes ?>>
<input name=”alttext[<?php echo $pid ?>]” type=”text” style=”width:95%; margin-bottom: 2px;” value=”<?php echo stripslashes($picture->alttext) ?>” />
<textarea name=”description[<?php echo $pid ?>]” style=”width:95%; margin-top: 2px;” rows=”2″ ><?php echo stripslashes($picture->description) ?></textarea>
<textarea name=”description2[<?php echo $pid ?>]” style=”width:95%; margin-top: 2px;” rows=”2″ ><?php echo stripslashes($picture->description2) ?></textarea>
<textarea name=”description3[<?php echo $pid ?>]” style=”width:95%; margin-top: 2px;” rows=”2″ ><?php echo stripslashes($picture->description3) ?></textarea>
<textarea name=”description4[<?php echo $pid ?>]” style=”width:95%; margin-top: 2px;” rows=”2″ ><?php echo stripslashes($picture->description4) ?></textarea>
</td>
` i added in database to and a few more files but when i modify them it isnt updating the db. need advise thank you.