Merge pull request #194 from shizhediao/patch-1

Update Gen_QA.ipynb

examples/vector_databases/pinecone/Gen_QA.ipynb

@@ -236,7 +236,7 @@
         "\n",
         "## Building a Knowledge Base\n",
         "\n",
-        "With open **2** the retrieval of relevant information requires an external _\"Knowledge Base\"_, a place where we can store and use to efficiently retrieve information. We can think of this as the external _long-term memory_ of our LLM.\n",
+        "With option **2** the retrieval of relevant information requires an external _\"Knowledge Base\"_, a place where we can store and use to efficiently retrieve information. We can think of this as the external _long-term memory_ of our LLM.\n",
         "\n",
         "We will need to retrieve information that is semantically related to our queries, to do this we need to use _\"dense vector embeddings\"_. These can be thought of as numerical representations of the *meaning* behind our sentences.\n",
         "\n",