diff --git a/lab4.ipynb b/lab4.ipynb
index 168b6c1..962edf1 100644
--- a/lab4.ipynb
+++ b/lab4.ipynb
@@ -35,8 +35,7 @@
   {
    "cell_type": "markdown",
    "source": [
-    "- In this chapter, we implement the training loop and code for basic model evaluation to pretrain an LLM\n",
-    "- At the end of this chapter, we also load openly available pretrained weights from OpenAI into our model"
+    "- In this chapter, we implement the training loop and code for basic model evaluation to pretrain an LLM"
    ],
    "metadata": {
     "collapsed": false
@@ -1862,28 +1861,11 @@
     }
    }
   },
-  {
-   "cell_type": "markdown",
-   "source": [
-    "## 5.5 Loading pretrained weights from OpenAI"
-   ],
-   "metadata": {
-    "collapsed": false
-   }
-  },
   {
    "cell_type": "markdown",
    "source": [
     "- Previously, we only trained a small GPT-2 model using a very small short-story book for educational purposes\n",
-    "- Fortunately, we don't have to spend tens to hundreds of thousands of dollars to pretrain the model on a large pretraining corpus but can load the pretrained weights provided by OpenAI"
-   ],
-   "metadata": {
-    "collapsed": false
-   }
-  },
-  {
-   "cell_type": "markdown",
-   "source": [
+    "- Fortunately, we don't have to spend tens to hundreds of thousands of dollars to pretrain the model on a large pretraining corpus but can load the pretrained weights provided by OpeaAI or other vendors.\n",
     "- We can also use Hugging Face Hub to load weights."
    ],
    "metadata": {