Update README.md

Author: williamFalcon

README.md

@@ -274,12 +274,12 @@ from litai import LLM
 llm = LLM(model="openai/gpt-4")
 
 # use a cheap model for this question
-llm.chat("Is this a number or word: '5'", model="google/gemini-2.5-flash", conversation="help_session")
+llm.chat("Is this a number or word: '5'", model="google/gemini-2.5-flash", conversation="story")
 
 # go back to the expensive model
-llm.chat("Generate a story about that number like Lord of the Rings", conversation="help_session")
+llm.chat("Create a story about that number like Lord of the Rings", conversation="story")
 
-print(llm.get_history("intro"))  # View all messages from the 'help_session' thread
+print(llm.get_history("story"))  # View all messages from the 'story' thread
 ```
 
 </details>