diff --git a/tutorials/community_1_physics_informed_kan.ipynb b/tutorials/community_1_physics_informed_kan.ipynb
index 109a9f9..a100250 100644
--- a/tutorials/community_1_physics_informed_kan.ipynb
+++ b/tutorials/community_1_physics_informed_kan.ipynb
@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Community 1: Physics-informed KAN"
+    "# Community 1: Physics-informed KAN"
    ]
   },
   {