Update README.md

README.md

@@ -87,7 +87,7 @@ messages = [
         "content": [{"type": "image"}, {"type": "text", "text": instruction}],
     }
 ]
-
+```
 It is critical that the input image fully complies with the prescribed formatting specifications outlined above: 480×60 pixels, black text on a white background, and left-aligned text.
 
 ## Authors and Acknowledgments