Update README.md

missing backticks

README.md

@@ -155,6 +155,7 @@ To download from a different branch, add the `--revision` parameter:
 ```shell
 mkdir machinez_Codestral-22B-v0.1-exl2_4.0bpw
 huggingface-cli download machinez/Codestral-22B-v0.1-exl2 --revision 6_0 --local-dir machinez_Codestral-22B-v0.1-exl2_6.0bpw --local-dir-use-symlinks False
+```
 
 ## Limitations