[FIX] revise hed

docs/Examples/HED.rst

@@ -280,7 +280,7 @@ derived from ``SimpleBridge`` and tailored specific for this task.
 
     bridge = HedBridge(model, reasoner, metric_list)
 
-Perform training and testing.
+Perform pretraining, training and testing by invoking the ``pretrain``, ``train`` and ``test`` methods of ``HedBridge``.
 
 .. code:: ipython3
 

examples/hed/hed.ipynb

@@ -372,9 +372,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Perform training and testing.\n",
-    "\n",
-    "**[TODO]** give a detailed introduction about training in HedBridge."
+    "Perform pretraining, training and testing by invoking the `pretrain`, `train` and `test` methods of `HedBridge`."
    ]
   },
   {