Update README.md

README.md

@@ -72,7 +72,7 @@ in the background. The chatbot is mostly self-explanatory. You can type
 notes](https://github.com/Mozilla-Ocho/llamafile/releases/tag/0.8.15)
 for documentation on our newest chatbot features.
 
-To instruct Gemma to do role playing, you can customize the system
+To instruct LLaMA to do role playing, you can customize the system
 prompt as follows:
 
 ```