Minor typo fix in example. (skypilot-org#1801)

Author: concretevitamin

examples/llama-llm-chatbots/README.md

@@ -131,7 +131,7 @@ When you are done, you can stop or tear down the cluster:
  ```
  You can restart a stopped cluster and relaunch the chatbot (the `run` section in YAML) with
  ```bash
- sky launch llama-7b.yaml -c llama --no-setup
+ sky launch llama-65b.yaml -c llama --no-setup
  ```
  Note the `--no-setup` flag: a stopped cluster preserves its disk contents so we can skip redoing the setup.
 - **To tear down the cluster** (non-restartable), run
@@ -174,4 +174,4 @@ Congratulations! You have used SkyPilot ot launch a LLaMA-based chatbot on the c
 
 LLaMA chatbots are just one example app. To leverage these benefits for your own ML projects on the cloud, we recommend the [Quickstart guide](https://skypilot.readthedocs.io/en/latest/getting-started/quickstart.html).
 
-*Feedback or questions? Want to run other LLM models?* Feel free to drop a note to the SkyPilot team on [GitHub](https://github.com/skypilot-org/skypilot/) or [Slack](http://slack.skypilot.co/) and we're happy to chat!
+*Feedback or questions? Want to run other LLM models?* Feel free to drop a note to the SkyPilot team on [GitHub](https://github.com/skypilot-org/skypilot/) or [Slack](http://slack.skypilot.co/) and we're happy to chat!