diff --git a/js/tooltip.js b/js/tooltip.js
index 7f89a37ac8ef..6d7f6ccbe7c6 100644
--- a/js/tooltip.js
+++ b/js/tooltip.js
@@ -53,7 +53,7 @@
     this.$viewport = this.options.viewport && $(this.options.viewport.selector || this.options.viewport)
 
     if (this.$element[0] instanceof document.constructor && !this.options.selector) {
-      throw new Error('`selector` option must be specified when initializing ' + this.type + ' on the window.document object!');
+      throw new Error('`selector` option must be specified when initializing ' + this.type + ' on the window.document object!')
     }
 
     var triggers = this.options.trigger.split(' ')