Update title (#74)

examples/rag/mongodb_agent.ipynb

@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Agent example for Fireworks + MongoDB + Nomic embedding model\n",
+    "# RAG example for LangChain Agent + Fireworks + MongoDB + Nomic model\n",
     "\n",
     "## Introduction\n",
     "We just went through the Fireworks tutorial for MongoDB and nomic embedding, with all the data indexed. Now we are going to dig into using how to use an agent framework to drive the interaction, since you may not want to just use embedding to do the work sometimes"