fix/reranking tutorial typos

Tutorials/5_Reranking/5.1_Intro.ipynb

@@ -11,11 +11,11 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Reranker is disigned in cross-encoder architecture that takes the query and text at the same time and directly output their score of similarity. It is more capable on scoring the query-text relevance, but with the tradeoff of slower speed. Thus, complete retrieval system usually contains retrievers in the first stage to do a large scope retrieval, and then follows by rerankers to rerank the results more precisely.\n",
+    "Reranker is designed in cross-encoder architecture that takes the query and text at the same time and directly output their score of similarity. It is more capable of scoring the query-text relevance, but with the tradeoff of slower speed. Thus, a complete retrieval system usually contains retrievers in the first stage to do a large scope retrieval, and then followed by rerankers to rerank the results more precisely.\n",
     "\n",
     "In this tutorial, we will go through text retrieval pipeline with reranker and evaluate the results before and after reranking.\n",
     "\n",
-    "Note: Step 1-4 are identical to the tutorial of [evaluation](https://github.com/FlagOpen/FlagEmbedding/tree/master/Tutorials/4_Evaluation). We suggest to first go through that if you are not familiar with retrieval."
+    "Note: Steps 1-4 are identical to the tutorial of [evaluation](https://github.com/FlagOpen/FlagEmbedding/tree/master/Tutorials/4_Evaluation). We suggest to first go through that if you are not familiar with retrieval."
    ]
   },
   {
@@ -317,7 +317,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "For details of these metrics, please checkout the tutorial of [evaluation](https://github.com/FlagOpen/FlagEmbedding/tree/master/Tutorials/4_Evaluation)."
+    "For details of these metrics, please check out the tutorial of [evaluation](https://github.com/FlagOpen/FlagEmbedding/tree/master/Tutorials/4_Evaluation)."
    ]
   },
   {