[$watchMulti] spelling error [ci skip]

src/kibana/components/watch_multi.js

@@ -36,7 +36,7 @@ define(function (require) {
        */
       $delegate.constructor.prototype.$watchMulti = function (expressions, fn, deep) {
         if (!_.isArray(expressions)) throw new TypeError('expected an array of expressions to watch');
-        if (!_.isFunction(fn)) throw new TypeError('expexted a function that is triggered on each watch');
+        if (!_.isFunction(fn)) throw new TypeError('expected a function that is triggered on each watch');
 
         var $scope = this;
         var fired = false;