diff --git a/README.md b/README.md
index 1e3ffb3..1e1956d 100644
--- a/README.md
+++ b/README.md
@@ -98,7 +98,7 @@ travel and safety in this futuristic scenario.*
 Instead of describing individual graphs, we can also ask the LLM to summarize the entire model. We can also ask for a summary in a given number of sentences.
 
 ```python
-t2ebm.llm_describe_ebm(gpt4,
+t2ebm.llm_describe_ebm('gpt-4-turbo-2024-04-09',
                        ebm,
                        dataset_description=dataset_description, 
                        y_axis_description=y_axis_descripton)