Not that it actually matters, as this is not public anymore, but this
was done accidentally. Also, sync a property description to ComboBox.
*
* If this is set to a non-negative value, it must be the index of a column
* of type %G_TYPE_INT in the model. The value in that column for each item
- * will determine how many rows the item will span in the popup. Therefore,
+ * will determine how many rows that item will span in the popup. Therefore,
* values in this column must be greater than zero.
*
* Since: 2.4
* GtkTreeMenu:column-span-column:
*
* If this is set to a non-negative value, it must be the index of a column
- * of type %G_TYPE_INT in the model.
- *
- * If this is set to a non-negative value, it must be the index of a column
* of type %G_TYPE_INT in the model. The value in that column for each item
* will determine how many columns that item will span in the popup.
* Therefore, values in this column must be greater than zero, and the sum of