diff --git a/examples/06_Combining_Models.ipynb b/examples/06_Combining_Models.ipynb
index 609da37..e3305d8 100644
--- a/examples/06_Combining_Models.ipynb
+++ b/examples/06_Combining_Models.ipynb
@@ -257,7 +257,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "m_powertrain['PropellerLoad.D'] = 1"
+    "m_powertrain.parameters['PropellerLoad.D'] = 1"
    ]
   },
   {