diff --git a/exp/quads_focusing_3dp_pla_shims/tracking.ipynb b/exp/quads_focusing_3dp_pla_shims/tracking.ipynb
index b35794e..a02d5f8 100644
--- a/exp/quads_focusing_3dp_pla_shims/tracking.ipynb
+++ b/exp/quads_focusing_3dp_pla_shims/tracking.ipynb
@@ -187,7 +187,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Filenames and paths\n"
+    "### Tracking helper functions\n"
    ]
   },
   {