Update comment, add missing semicolon [ci skip]

lib/ace/edit_session.js

@@ -151,7 +151,7 @@ var EditSession = function(text, mode) {
     this.$foldData = [];
     this.$foldData.toString = function() {
         return this.join("\n");
-    }
+    };
     this.on("changeFold", this.onChangeFold.bind(this));
     this.$onChange = this.onChange.bind(this);
 
@@ -679,10 +679,10 @@ var EditSession = function(text, mode) {
     };
 
     /**
-    * Returns an array containing the IDs of all the markers, either front or back.
+    * Returns an object containing the all of the markers, either front or back.
     * @param {Boolean} inFront If `true`, indicates you only want front markers; `false` indicates only back markers
     *
-    * @returns {Array}
+    * @returns {Object}
     **/
     this.getMarkers = function(inFront) {
         return inFront ? this.$frontMarkers : this.$backMarkers;