README and name of function

src/extensions/multiple-sort/README.md

@@ -84,6 +84,11 @@ Use Plugin: [bootstrap-table-multiple-sort](https://github.com/dimbslmh/bootstra
 * description: Text of the duplicate alert
 * default: `Please remove or change any duplicate column.`
 
+### formatSortOrders
+
+* description: Text of the sort orders
+* default: asc : `Ascending` and desc : `Descending`
+
 ## Events
 
 ### onMultipleSort(multiple-sort.bs.table)

src/extensions/multiple-sort/bootstrap-table-multiple-sort.js

@@ -200,7 +200,7 @@
         formatDuplicateAlertDescription: function() {
             return "Please remove or change any duplicate column.";
         },
-        sortOrders : function () {
+        formatSortOrders : function () {
             return {
               asc: 'Ascending',
               desc: 'Descending'
@@ -337,7 +337,7 @@
             $multiSortName.append('<option value="' + column.field + '">' + column.title + '</option>');
         });
 
-        $.each(this.options.sortOrders(), function(value, order) {
+        $.each(this.options.formatSortOrders(), function(value, order) {
             $multiSortOrder.append('<option value="' + value + '">' + order + '</option>');
         });