Merge pull request #399 from openai/ted/fix-qa-typo

fixes grammar

examples/Question_answering_using_embeddings.ipynb

@@ -1029,7 +1029,7 @@
    "id": "a496aa2b",
    "metadata": {},
    "source": [
-    "To see whether a mistake is from a lack of relevant source text (i.e., failure of the search step) or a lack of reasoning reliability (i.e., failure of the ask step), you look at the text GPT was given by setting `print_message=True`.\n",
+    "To see whether a mistake is from a lack of relevant source text (i.e., failure of the search step) or a lack of reasoning reliability (i.e., failure of the ask step), you can look at the text GPT was given by setting `print_message=True`.\n",
     "\n",
     "In this particular case, looking at the text below, it looks like the #1 article given to the model did contain medalists for all three events, but the later results emphasized the Men's and Women's tournaments, which may have distracted the model from giving a more complete answer."
    ]