docs: fix grammar issues in facebook.ipynb and langsmith_dataset.ipynb (#31442)

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docs/docs/integrations/chat_loaders/facebook.ipynb

@@ -7,7 +7,7 @@
    "source": [
     "# Facebook Messenger\n",
     "\n",
-    "This notebook shows how to load data from Facebook in a format you can fine-tune on. The overall steps are:\n",
+    "This notebook shows how to load data from Facebook into a format you can fine-tune on. The overall steps are:\n",
     "\n",
     "1. Download your messenger data to disk.\n",
     "2. Create the Chat Loader and call `loader.load()` (or `loader.lazy_load()`) to perform the conversion.\n",
@@ -25,7 +25,7 @@
     "\n",
     "## 1. Download Data\n",
     "\n",
-    "To download your own messenger data, following instructions [here](https://www.zapptales.com/en/download-facebook-messenger-chat-history-how-to/). IMPORTANT - make sure to download them in JSON format (not HTML).\n",
+    "To download your own messenger data, follow the instructions [here](https://www.zapptales.com/en/download-facebook-messenger-chat-history-how-to/). IMPORTANT - make sure to download them in JSON format (not HTML).\n",
     "\n",
     "We are hosting an example dump at [this google drive link](https://drive.google.com/file/d/1rh1s1o2i7B-Sk1v9o8KNgivLVGwJ-osV/view?usp=sharing) that we will use in this walkthrough."
    ]

docs/docs/integrations/chat_loaders/langsmith_dataset.ipynb

@@ -7,7 +7,7 @@
    "source": [
     "# LangSmith Chat Datasets\n",
     "\n",
-    "This notebook demonstrates an easy way to load a LangSmith chat dataset fine-tune a model on that data.\n",
+    "This notebook demonstrates an easy way to load a LangSmith chat dataset and fine-tune a model on that data.\n",
     "The process is simple and comprises 3 steps.\n",
     "\n",
     "1. Create the chat dataset.\n",