* returned by this method will match the top left corner of the range of that grouping.
* The return value is usually not the same as the location of the cell containing this formula.
*
- * @return the firstRow & firstColumn of an array formula or shared formula that this formula
+ * @return the firstRow & firstColumn of an array formula or shared formula that this formula
* belongs to. <code>null</code> if this formula is not part of an array or shared formula.
*/
public CellReference getExpReference() {