[Docs] spelling (#869)

examples/rewoo/rewoo.ipynb

@@ -460,8 +460,14 @@
     "Congratulations on implementing ReWOO! Before you leave, I'll leave you with a couple limitations of the current implementation from the paper:\n",
     "\n",
     "1. If little context of the environment is available, the planner will be ineffective in its tool use. This can typically be ameliorated through few-shot prompting and/or fine-tuning.\n",
-    "2. The tasks are still executed in sequence, meaning the total execution time is impacted by _every_ tool call, not just he longest-running in a given step."
+    "2. The tasks are still executed in sequence, meaning the total execution time is impacted by _every_ tool call, not just the longest-running in a given step."
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "95dd0535",
+   "metadata": {},
+   "source": []
   }
  ],
  "metadata": {