Added comment.

Author: killme2008

lib/av.js

@@ -8839,22 +8839,32 @@
       })._thenRunCallbacks(options);
     },
 
+    /**
+     * Retrieves a list of AVObjects that satisfy the CQL.
+     * CQL syntax please see https://cn.avoscloud.com/docs/cql_guide.html
+     * Either options.success or options.error is called when the find
+     * completes.
+     *
+     * @param {String} cql,  A CQL string, see https://cn.avoscloud.com/docs/cql_guide.html
+     * @return {AV.Promise} A promise that is resolved with the results when
+     * the query completes.
+     */
     doCloudQuery: function(cql, options) {
-     var params = { cql: cql };
+      var params = { cql: cql };
       var request = AV._request("cloudQuery", null, null, 'GET', params)
       return request.then(function(response) {
         //query to process results.
         var query = new AV.Query(response.className);
         var results = _.map(response.results, function(json) {
           var obj = query._newObject(response);
           obj._finishFetch(query._processResult(json), true);
-          return obj;
+            return obj;
         });
-       return {
-         results: results,
-         count:  response.count,
-         className: response.className
-       };
+        return {
+          results: results,
+          count:  response.count,
+          className: response.className
+        };
       })._thenRunCallbacks(options);
     },