diff --git a/commerce-product-ranking/notebooks/Train-lightgbm.ipynb b/commerce-product-ranking/notebooks/Train-lightgbm.ipynb
index a0e05b5d1..95d618dcf 100644
--- a/commerce-product-ranking/notebooks/Train-lightgbm.ipynb
+++ b/commerce-product-ranking/notebooks/Train-lightgbm.ipynb
@@ -5,9 +5,9 @@
    "id": "28cb53b1",
    "metadata": {},
    "source": [
-    "# Learning to Rank using LigthGBM\n",
+    "# Learning to Rank using LightGBM\n",
     "\n",
-    "This notebook demonstrates how to train a ranking model using [LigthGBM](https://lightgbm.readthedocs.io/). \n",
+    "This notebook demonstrates how to train a ranking model using [LightGBM](https://lightgbm.readthedocs.io/). \n",
     "\n",
     "This notebook is part of the [commerce product ranking sample app](https://github.com/vespa-engine/sample-apps/tree/master/commerce-product-ranking). \n",
     "\n",