docs: fix link in subgraphs how-to (#1124)

examples/cloud_examples/langgraph_to_langgraph_cloud.ipynb

@@ -50,7 +50,7 @@
    "metadata": {},
    "outputs": [
     {
-     "name": "stdin",
+     "name": "stdout",
      "output_type": "stream",
      "text": [
       "OPENAI_API_KEY:  ········\n"
@@ -991,7 +991,7 @@
    "id": "08996d90-a3ff-4655-9763-1dd4971344d4",
    "metadata": {},
    "source": [
-    "### With LangGraph Clound"
+    "### With LangGraph Cloud"
    ]
   },
   {

examples/subgraph.ipynb

@@ -11,7 +11,7 @@
    "source": [
     "# How to create subgraphs\n",
     "\n",
-    "For more complex systems, sub-graphs are a useful design principle. Sub-graphs allow you to create and manage different states in different parts of your graph. This allows you build things like [multi-agent teams](./multi_agent/hierarchical_agent_teams.ipynb), where each team can track its own separate state.\n",
+    "For more complex systems, sub-graphs are a useful design principle. Sub-graphs allow you to create and manage different states in different parts of your graph. This allows you build things like [multi-agent teams](https://langchain-ai.github.io/langgraph/tutorials/multi_agent/hierarchical_agent_teams/), where each team can track its own separate state.\n",
     "\n",
     "![Screenshot 2024-07-11 at 1.01.28 PM.png](attachment:71516aef-9c00-4730-a676-a54e90cb6472.png)"
    ]