diff --git a/cookbook/pageindex_RAG_simple.ipynb b/cookbook/pageindex_RAG_simple.ipynb
index e10c0a0..bb0ac68 100644
--- a/cookbook/pageindex_RAG_simple.ipynb
+++ b/cookbook/pageindex_RAG_simple.ipynb
@@ -30,7 +30,7 @@
" \n",
"
\n",
" \n",
- " \n",
+ " \n",
" \n",
"
\n",
" \n",