docs[patch]: Fix diffbot docs (#22584)

Author: tomasonjo

docs/docs/integrations/graphs/diffbot.ipynb

@@ -9,8 +9,7 @@
     "\n",
     ">[Diffbot](https://docs.diffbot.com/docs/getting-started-with-diffbot) is a suite of ML-based products that make it easy to structure web data.\n",
     ">\n",
-    ">Diffbot's [Natural Language Processing API](https://www.diffbot.com/products/natural-language/) allows for the extraction of entities, relationships, and semantic meaning from unstructured text data.",
-    "\n",
+    ">Diffbot's [Natural Language Processing API](https://www.diffbot.com/products/natural-language/) allows for the extraction of entities, relationships, and semantic meaning from unstructured text data.\n",
     "[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/langchain-ai/langchain/blob/master/docs/docs/integrations/graphs/diffbot.ipynb)\n",
     "\n",
     "## Use case\n",
@@ -70,8 +69,8 @@
    "source": [
     "from langchain_experimental.graph_transformers.diffbot import DiffbotGraphTransformer\n",
     "\n",
-    "diffbot_api_token = \"DIFFBOT_API_TOKEN\"\n",
-    "diffbot_nlp = DiffbotGraphTransformer(diffbot_api_token=diffbot_api_token)"
+    "diffbot_api_key = \"DIFFBOT_KEY\"\n",
+    "diffbot_nlp = DiffbotGraphTransformer(diffbot_api_key=diffbot_api_key)"
    ]
   },
   {
@@ -111,7 +110,7 @@
     "    --name neo4j \\\n",
     "    -p 7474:7474 -p 7687:7687 \\\n",
     "    -d \\\n",
-    "    -e NEO4J_AUTH=neo4j/pleaseletmein \\\n",
+    "    -e NEO4J_AUTH=neo4j/password \\\n",
     "    -e NEO4J_PLUGINS=\\[\\\"apoc\\\"\\]  \\\n",
     "    neo4j:latest\n",
     "```    \n",
@@ -129,7 +128,7 @@
     "\n",
     "url = \"bolt://localhost:7687\"\n",
     "username = \"neo4j\"\n",
-    "password = \"pleaseletmein\"\n",
+    "password = \"password\"\n",
     "\n",
     "graph = Neo4jGraph(url=url, username=username, password=password)"
    ]
@@ -296,7 +295,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.12"
+   "version": "3.9.18"
   }
  },
  "nbformat": 4,