diff --git a/docs/user_guide/08_semantic_router.ipynb b/docs/user_guide/08_semantic_router.ipynb
index 376e62a9..c4c23d35 100644
--- a/docs/user_guide/08_semantic_router.ipynb
+++ b/docs/user_guide/08_semantic_router.ipynb
@@ -515,7 +515,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Add route references"
+    "## Add route references"
    ]
   },
   {
@@ -550,7 +550,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Get route references"
+    "## Get route references"
    ]
   },
   {
@@ -623,7 +623,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Delete route references"
+    "## Delete route references"
    ]
   },
   {