diff --git a/cookbook/pageindex_RAG_simple.ipynb b/cookbook/pageindex_RAG_simple.ipynb
index 8721dd5..4cf9c92 100644
--- a/cookbook/pageindex_RAG_simple.ipynb
+++ b/cookbook/pageindex_RAG_simple.ipynb
@@ -198,7 +198,7 @@
         "id": "Mzd1VWjwMUJL"
       },
       "source": [
-        "### Submit a document with PageIndex SDK"
+        "### Submit a document for PageIndex tree generation"
       ]
     },
     {
@@ -222,7 +222,7 @@
         }
       ],
       "source": [
-        "# You can also use our GitHub repo to generate PageIndex structure\n",
+        "# You can also use our GitHub repo to generate PageIndex tree\n",
         "# https://github.com/VectifyAI/PageIndex\n",
         "\n",
         "pdf_url = \"https://arxiv.org/pdf/2501.12948.pdf\"\n",
@@ -512,7 +512,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 59,
+      "execution_count": null,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/",