Fix typos in Cerebras doc (#3590)

* Fix typos in Cerebras doc

Fix typo in Cerebras documentation

* FIx formatting

website/docs/topics/non-openai-models/cloud-cerebras.ipynb

@@ -17,7 +17,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Requirements\n",
+    "## Requirements\n",
     "To use Cerebras with AutoGen, install the `autogen-agentchat[cerebras]` package."
    ]
   },
@@ -38,7 +38,7 @@
     "\n",
     "Cerebras provides a number of models to use. See the list of [models here](https://inference-docs.cerebras.ai/introduction).\n",
     "\n",
-    "See the sample `OAI_CONFIG_LIST` below showing how the Cerebras AI client class is used by specifying the `api_type` as `cerebras`.\n",
+    "See the sample `OAI_CONFIG_LIST` below showing how the Cerebras client class is used by specifying the `api_type` as `cerebras`.\n",
     "```python\n",
     "[\n",
     "    {\n",
@@ -165,7 +165,7 @@
     "When you find an answer, verify the answer carefully. Include verifiable evidence in your response if possible.\n",
     "IMPORTANT: Wait for the user to execute your code and then you can reply with the word \"FINISH\". DO NOT OUTPUT \"FINISH\" after your code block.\"\"\"\n",
     "\n",
-    "# The AssistantAgent, using Cerebras AI's model, will take the coding request and return code\n",
+    "# The AssistantAgent, using Llama-3.1-70B on Cerebras Inference, will take the coding request and return code\n",
     "assistant_agent = AssistantAgent(\n",
     "    name=\"Cerebras Assistant\",\n",
     "    system_message=system_message,\n",