fix two random links

docs/docs/integrations/chat/huggingface.ipynb

@@ -10,7 +10,7 @@
     "\n",
     "In particular, we will:\n",
     "1. Utilize the [HuggingFaceTextGenInference](https://github.com/langchain-ai/langchain/blob/master/libs/langchain/langchain/llms/huggingface_text_gen_inference.py), [HuggingFaceEndpoint](https://github.com/langchain-ai/langchain/blob/master/libs/langchain/langchain/llms/huggingface_endpoint.py), or [HuggingFaceHub](https://github.com/langchain-ai/langchain/blob/master/libs/langchain/langchain/llms/huggingface_hub.py) integrations to instantiate an `LLM`.\n",
-    "2. Utilize the `ChatHuggingFace` class to enable any of these LLMs to interface with LangChain's [Chat Messages](docs/concepts#chat-models) abstraction.\n",
+    "2. Utilize the `ChatHuggingFace` class to enable any of these LLMs to interface with LangChain's [Chat Messages](/docs/concepts#chat-models) abstraction.\n",
     "3. Demonstrate how to use an open-source LLM to power an `ChatAgent` pipeline\n",
     "\n",
     "\n",

docs/docs/tutorials/graph.ipynb

@@ -300,7 +300,7 @@
     "For more complex query-generation, we may want to create few-shot prompts or add query-checking steps. For advanced techniques like this and more check out:\n",
     "\n",
     "* [Prompting strategies](/docs/how_to/graph_prompting): Advanced prompt engineering techniques.\n",
-    "* [Mapping values](docs/how_to/graph_mapping): Techniques for mapping values from questions to database.\n",
+    "* [Mapping values](/docs/how_to/graph_mapping): Techniques for mapping values from questions to database.\n",
     "* [Semantic layer](/docs/how_to/graph_semantic): Techniques for implementing semantic layers.\n",
     "* [Constructing graphs](/docs/how_to/graph_constructing): Techniques for constructing knowledge graphs."
    ]