Merge pull request dennybritz#201 from guotong1988/patch-1

Update CliffWalk REINFORCE with Baseline Solution.ipynb

Author: dennybritz

PolicyGradient/CliffWalk REINFORCE with Baseline Solution.ipynb

@@ -161,7 +161,7 @@
     "    Transition = collections.namedtuple(\"Transition\", [\"state\", \"action\", \"reward\", \"next_state\", \"done\"])\n",
     "    \n",
     "    for i_episode in range(num_episodes):\n",
-    "        # Reset the environment and pick the fisrst action\n",
+    "        # Reset the environment and pick the first action\n",
     "        state = env.reset()\n",
     "        \n",
     "        episode = []\n",