diff --git a/lib/core/mergeConfig.js b/lib/core/mergeConfig.js
index eb7aa39..7c6cff1 100644
--- a/lib/core/mergeConfig.js
+++ b/lib/core/mergeConfig.js
@@ -8,6 +8,7 @@ var utils = require('../utils');
  *
  * @param {Object} config1
  * @param {Object} config2
+ *
  * @returns {Object} New object resulting from merging config2 to config1
  */
 module.exports = function mergeConfig(config1, config2) {