diff --git a/Chapter6/Collaborative Filtering.ipynb b/Chapter6/Collaborative Filtering.ipynb
index 96cfd82..6086a08 100644
--- a/Chapter6/Collaborative Filtering.ipynb	
+++ b/Chapter6/Collaborative Filtering.ipynb	
@@ -1927,7 +1927,7 @@
    ],
    "source": [
     "#Import the required classes and methods from the surprise library\n",
-    "from surprise import Reader, Dataset, KNNBasic, evaluate\n",
+    "from surprise import Reader, Dataset, KNNBasic, accuracy\n",
     "\n",
     "#Define a Reader object\n",
     "#The Reader object helps in parsing the file or dataframe containing ratings\n",
@@ -1940,7 +1940,7 @@
     "knn = KNNBasic()\n",
     "\n",
     "#Evaluate the performance in terms of RMSE\n",
-    "evaluate(knn, data, measures=['RMSE'])"
+    "accuracy(knn, data, measures=['RMSE'])"
    ]
   },
   {