diff --git a/docs/source/_static/m2l_code_template.ipynb b/docs/source/_static/m2l_code_template.ipynb
index 465df9ca..66e4a773 100644
--- a/docs/source/_static/m2l_code_template.ipynb
+++ b/docs/source/_static/m2l_code_template.ipynb
@@ -245,14 +245,14 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    " column = [\n",
-    "    # youngest\n",
-    "    'youngest_unit',\n",
-    "    'middle_unit',\n",
-    "    'oldest_unit',\n",
-    "    # oldest\n",
-    " ]\n",
-    "    \n",
+    "column = [\n",
+    "   # youngest\n",
+    "   'youngest_unit',\n",
+    "   'middle_unit',\n",
+    "   'oldest_unit',\n",
+    "   # oldest\n",
+    "]\n",
+    "   \n",
     "proj.run_all(user_defined_stratigraphic_column=column)\n",
     "\n",
     "t1 = time.time()"