diff --git a/SC2234.md b/SC2234.md
index bd0f291..6ae7794 100644
--- a/SC2234.md
+++ b/SC2234.md
@@ -16,7 +16,7 @@
 
 You are wrapping a single test command in `(..)`, creating an unnecessary subshell. This serves no purpose, but is significantly slower:
 
-```
+```console
 $ i=0; time while ( [ "$i" -lt 10000 ] ); do i=$((i+1)); done
 real    0m6.998s
 user    0m3.453s