Update README.md

README.md

@@ -40,7 +40,10 @@ output = llm("### Context: talks friendly### History: ### Morpheus: I challenge
 ```
 
 ## Prompt format
-"Context: {overall_context}### History: {previous lines without character names} ### Morpheus: {question}### Gerald:"
+```
+prompt = f"Context: {overall_context}### History: {previous_dialogue} ### {character_1}: {question}### {character_2}:"
+
+```