diff --git a/Satellite_ECVs/Atmospheric_Composition/satellite_satellite-ozone-v1_climate-monitoring_q01.ipynb b/Satellite_ECVs/Atmospheric_Composition/satellite_satellite-ozone-v1_climate-monitoring_q01.ipynb
index ccb77c55..9838e960 100644
--- a/Satellite_ECVs/Atmospheric_Composition/satellite_satellite-ozone-v1_climate-monitoring_q01.ipynb
+++ b/Satellite_ECVs/Atmospheric_Composition/satellite_satellite-ozone-v1_climate-monitoring_q01.ipynb
@@ -17,7 +17,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## 🌍 Use Case: Support policy on identifying and quantifying ozone recovery "
+    "## 🌍 Use case: Support policy on identifying and quantifying ozone recovery "
    ]
   },
   {
@@ -413,7 +413,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## References\n",
+    "### References\n",
     "\n",
     "[[1]](https://datastore.copernicus-climate.eu/documents/satellite-ozone/C3S2_312a_Lot2_PUGS_O3_latest.pdf) Van Roozendael, M., et al. (2021a). Ozone Product User Guide and Specification (PUGS). Last access: March 27, 2024\n",
     "\n",