Apply suggestions from code review

Co-authored-by: Zeke Sikelianos <zeke@sikelianos.com>

Author: mattt

README.md

@@ -42,20 +42,14 @@ Create a new Python file and add the following code, replacing the model identif
 ['https://replicate.com/api/models/stability-ai/stable-diffusion/files/50fcac81-865d-499e-81ac-49de0cb79264/out-0.png']
 ```
 
-Some models, particularly language models, may be missing the version string. Refer to the API documentation for the model for more on the specifics:
+Some models, particularly language models, may not require the version string. Refer to the API documentation for the model for more on the specifics:
 
 ```python
 replicate.run(
     "meta/llama-2-70b-chat",
     input={
-        "debug": False,
-        "top_k": 50,
-        "top_p": 1,
-        "prompt": "Can you write a poem about open source machine learning? Let's make it in the style of E. E. Cummings.",
-        "temperature": 0.5,
-        "system_prompt": "You are a helpful, respectful and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature.\n\nIf a question does not make any sense, or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.",
-        "max_new_tokens": 500,
-        "min_new_tokens": -1
+        "prompt": "Can you write a poem about open source machine learning?",
+        "system_prompt": "You are a helpful, respectful and honest assistant.",
     },
 )
 ```