diff --git a/notebooks/abm_data.ipynb b/notebooks/abm_data.ipynb
index cf5611f..7f6bee0 100644
--- a/notebooks/abm_data.ipynb
+++ b/notebooks/abm_data.ipynb
@@ -28,12 +28,10 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 9,
    "metadata": {},
    "outputs": [],
    "source": [
-    "#plt.rcParams.update({\"font.size\": 12})\n",
-    "\n",
     "xspacing = FixedLocator([-10,-5, 0, 5, 10, 15, 20])\n",
     "yspacing = FixedLocator([40, 45, 50, 55])\n",
     "\n",
@@ -82,6 +80,13 @@
     "radars_b = radar_buffers_b.to_crs(crs.proj4_init).centroid.to_crs(epsg=4326)\n"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Individual trajectories"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 5,
@@ -158,6 +163,13 @@
     "fig.savefig(osp.join(target_dir, 'abm_trajectories_filtered.png'), bbox_inches='tight', dpi=100)"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Voronoi tessellation"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 9,
@@ -204,6 +216,11 @@
     "fig.savefig(osp.join(target_dir, 'voronoi_tessellation_abm.png'), bbox_inches='tight', dpi=200)"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": []
+  },
   {
    "cell_type": "code",
    "execution_count": 8,