diff --git a/3-Web-App/1-Web-App/solution/notebook.ipynb b/3-Web-App/1-Web-App/solution/notebook.ipynb
index 054f2575e..7dc187847 100644
--- a/3-Web-App/1-Web-App/solution/notebook.ipynb
+++ b/3-Web-App/1-Web-App/solution/notebook.ipynb
@@ -418,7 +418,7 @@
    ],
    "source": [
     "import pickle\n",
-    "model_filename = 'ufo-model.pkl'SS\n",
+    "model_filename = 'ufo-model.pkl'\n",
     "pickle.dump(model, open(model_filename,'wb'))\n",
     "\n",
     "model = pickle.load(open('ufo-model.pkl','rb'))\n",