Fix 201 nb

Author: init27

recipes/quickstart/agents/Agents_101/Tool_Calling_201.ipynb

@@ -12,7 +12,9 @@
     "\n",
     "- Step 1: Take the user input query \n",
     "\n",
-    "- Step 2: Perform an internet search to fetch the arxiv ID(s) based on the user query\n",
+    "- Step 2: Perform an internet search using `tavily` API to fetch the arxiv ID(s) based on the user query\n",
+    "\n",
+    "Note: `3.1` models support `brave_search` but this notebook is also aimed at showcasing custom tools. \n",
     "\n",
     "The above is important because many-times the user-query is different from the paper name and arxiv ID-this will help us with the next step\n",
     "\n",
@@ -446,7 +448,7 @@
    "source": [
     "#### Downloading the papers and extracting details: \n",
     "\n",
-    "3.1 family LLM(s) are great enough to use raw outputs extracted from a PDF and summarise them. However, we are still bound by their (great) 128k context length-to live with this, we will extract just the first 80k words. \n",
+    "Llama 3.1 family LLM(s) are great enough to use raw outputs extracted from a PDF and summarise them. However, we are still bound by their (great) 128k context length-to live with this, we will extract just the first 80k words. \n",
     "\n",
     "The functions below handle the logic of downloading the PDF(s) and extracting their outputs"
    ]