  *
  *  Per-element supported constraints are percentWidth, percentHeight.
  *  Element's minimum and maximum sizes will always be respected and
- *  where possible, element's size will be limited to less then or equal
+ *  where possible, an element's size will be limited to less then or equal
  *  of the cell size.
  *
  *  When not explicitly set, the columnWidth is calculated as the maximum


    /**
     *  @private
     *  Calculates _columnWidth and _rowHeight from maximum of
     *  elements preferred size and any explicit overrides.
     */
    private function calculateTileSize():void
    {
        _columnWidth = _tileWidthCached;
        _rowHeight = _tileHeightCached;

    
    /**
     *  @private
     *  Returns true, if the dimensions (colCount1, rowCount1) are more square than (colCount2, rowCount2).
     *  Squareness is the difference between width and height of a tile layout
     *  with the specified number of columns and rows.
     */
