diff --git a/SC2230.md b/SC2230.md
index 8308064..831021d 100644
--- a/SC2230.md
+++ b/SC2230.md
@@ -38,7 +38,9 @@ exist.
 
 An alternative is:
 
+```
 $ hash <file1> <file2>
+```
 
 Which observes the standard behaviour of failures.