fix typos in tutorial

tutorials/Run_Your_Own_Task_in_MT-DNN.ipynb

@@ -29,6 +29,7 @@
     "  - ACC\n",
     "  loss: CeCriterion\n",
     "  kd_loss: MseCriterion\n",
+    "  adv_loss: SymKlCriterion\n",
     "  n_class: 3\n",
     "  task_type: Classification</pre>\n",
     "  \n",
@@ -133,7 +134,7 @@
     "  task_type: Classification\n",
     "  </pre>\n",
     "  \n",
-    "  More details in [data_utils/metrics.py](../data_utils/metrics.py);\n",
+    "  More details about metrics,please refer to [data_utils/metrics.py](../data_utils/metrics.py);\n",
     "  \n",
     "  you can choose loss, kd_loss (knowledge distillation) and adv_loss(adversarial training) from pre-defined losses in file [data_utils/loss.py](../data_utils/loss.py), and you can implement your customized losses into this file and specify it in the task config.\n",
     "\n",