* make it obvious what the key for each entry is.
*
* item_choice - If not NULL, will be called when asking the user to choose an
- * item. Returns a key string corresponding to the choosen item or NULL if
+ * item. Returns a key string corresponding to the chosen item or NULL if
* no item has been selected.
*
* item_choice_data - Will be passed as the argument to the item_choice function