diff --git a/README.md b/README.md
index ef63cbc02df9c3bfbe6745cfd3bb172f9634de41..59050e625a883cd4d3eac5c7e223077e39b3bf4c 100644
--- a/README.md
+++ b/README.md
@@ -61,3 +61,7 @@ new Sortable(elem, {
 * bind(ctx`:Mixed`, fn`:Function`)`:Function` — Takes a function and returns a new one that will always have a particular context
 * closest(el`:HTMLElement`, selector`:String`[, ctx`:HTMLElement`])`:HTMLElement|Null` — for each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree
 * toggleClass(el`:HTMLElement`, name`:String`, state`:Boolean`) — add or remove one classes from each element
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+[![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/RubaXa/sortable/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
+