docs: fix grammar and vocabulary issue in reka.ipynb (#31417)

Fix grammar

Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
Co-authored-by: ccurme <chester.curme@gmail.com>

Author: 3 people

docs/docs/integrations/chat/reka.ipynb

@@ -36,7 +36,7 @@
     "\n",
     "## Setup\n",
     "\n",
-    "To access Reka models you'll need to create an Reka developer account, get an API key, and install the `langchain_community` integration package and the reka python package via 'pip install reka-api'.\n",
+    "To access Reka models you'll need to create a Reka developer account, get an API key, and install the `langchain_community` integration package and the reka python package via 'pip install reka-api'.\n",
     "\n",
     "### Credentials\n",
     "\n",
@@ -280,7 +280,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Use use with tavtly api search"
+    "Use with Tavily api search"
    ]
   },
   {