Docs: Fix typo (langchain-ai#17733)

- **Description:** fix doc typo

docs/docs/modules/agents/how_to/agent_iter.ipynb

@@ -7,7 +7,7 @@
    "source": [
     "# Running Agent as an Iterator\n",
     "\n",
-    "It can be useful to run the agent as an interator, to add human-in-the-loop checks as needed.\n",
+    "It can be useful to run the agent as an iterator, to add human-in-the-loop checks as needed.\n",
     "\n",
     "To demonstrate the `AgentExecutorIterator` functionality, we will set up a problem where an Agent must:\n",
     "\n",