makes title formatting consistent with other examples

examples/Search_augmented_by_query_generation_and_embeddings_reranking.ipynb

@@ -5,9 +5,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Search Augmented\n",
-    "\n",
-    "### by Query Generation and Embeddings Reranking\n",
+    "# Search augmented by query generation and embeddings reranking\n",
     "\n",
     "Searching for relevant information can sometimes be like looking for a needle in a haystack, but don’t despair, GPTs can actually do a lot of this work for us. In this guide we explore a way to augment existing search systems with various AI techniques, helping us sift through the noise.\n",
     "\n",