typo and link fix

recipes/3p_integrations/togetherai/llama_contextual_RAG.ipynb

@@ -327,7 +327,8 @@
         "from together import Together\n",
         "\n",
         "# Paste in your Together AI API Key or load it\n",
-        "TOGETHER_API_KEY = os.environ.get(\"TOGETHER_API_KEY\")"
+        "TOGETHER_API_KEY = os.environ.get(\"TOGETHER_API_KEY\")\n",
+        "client = Together(api_key = TOGETHER_API_KEY)"
       ]
     },
     {
@@ -1621,7 +1622,7 @@
       "cell_type": "markdown",
       "metadata": {},
       "source": [
-        "Above we implemented Contextual Retrieval as discussed in Anthropic's blog using fully open source models! \n",
+        "Above we implemented Contextual Retrieval as discussed in [Anthropic's blog](https://www.anthropic.com/news/contextual-retrieval) using fully open source models! \n",
         "\n",
         "If you want to learn more about how to best use open models refer to our [docs](https://docs.together.ai/docs) here!"
       ]