refactor

tutorials/ann_hnswlib.ipynb

@@ -42,7 +42,7 @@
    "source": [
     "## Recommender model training\n",
     "\n",
-    "We do a small experiment to demonstrate how Approximate Nearest Neighbor (ANN) search could be performed in Cornac. First, we need to train a model that supports ANN search. Here we choose MF for simple illustration purpose. Other models that support ANN search should work in a similar fashion."
+    "The following experiment shows how to perform ANN-search within Cornac. First, we need to train a model that supports ANN search. Here we choose MF for simple illustration purpose. Other models that support ANN search should work in a similar fashion."
    ]
   },
   {