diff --git a/dist/js/bootstrap.js b/dist/js/bootstrap.js
index 3ec3b8707c..65c36b0556 100644
--- a/dist/js/bootstrap.js
+++ b/dist/js/bootstrap.js
@@ -1526,7 +1526,7 @@ if (!jQuery) { throw new Error("Bootstrap requires jQuery") }
             o.content)
   }
 
-  Popover.prototype.arrow =function () {
+  Popover.prototype.arrow = function () {
     return this.$arrow = this.$arrow || this.tip().find('.arrow')
   }