diff --git a/cookbook/pageindex_RAG_simple.ipynb b/cookbook/pageindex_RAG_simple.ipynb
index f805ddb..42ebeaa 100644
--- a/cookbook/pageindex_RAG_simple.ipynb
+++ b/cookbook/pageindex_RAG_simple.ipynb
@@ -47,12 +47,16 @@
         "- **Human-like Retrieval**: Simulates how human experts navigate and extract knowledge from complex documents. \n",
         "- **Transparent Retrieval Process**: Retrieval based on reasoning — say goodbye to approximate semantic search (\"vibe retrieval\").\n",
         "\n",
-        "## 📝 About this Notebook\n",
+        "## 📝 Notebook Overview\n",
         "\n",
-        "This notebook demonstrates a simple example of **vectorless RAG** with PageIndex. You will learn:\n",
-        "- [x] Build a PageIndex tree structure of a document.\n",
-        "- [x] Perform reasoning-based retrieval with tree search.\n",
-        "- [x] Generate answers based on the retrieved context."
+        "This notebook demonstrates a simple example of **vectorless RAG** with PageIndex through the following steps:\n",
+        "- [x] Build a PageIndex tree structure of a document\n",
+        "- [x] Perform reasoning-based retrieval with tree search\n",
+        "- [x] Generate answers based on the retrieved context\n",
+        "\n",
+        "The figure below shows an overview of the workflow:\n",
+        "\n",
+        "<img src=\"https://pageindex.ai/static/images/vectorless_workflow.jpg\" width=\"70%\">"
       ]
     },
     {