Documented heightThreshold option

docs/_i18n/en/extensions/mobile.md

@@ -33,3 +33,10 @@ Use Plugin: [bootstrap-table-mobile](https://github.com/wenzhixin/bootstrap-tabl
 * type: Integer
 * description: Set the minimum height when the table will change the view.
 * default: `undefined`
+
+### heightThreshold
+
+* type: Integer
+* description: minimum change in height in pixels before cardView is triggered.
+Usefull for mobile browsers that auto hide/show the toolbar on vertical scroll.
+* default: `100`