diff --git a/SC2003.md b/SC2003.md
index 3d0f80d..e7996c4 100644
--- a/SC2003.md
+++ b/SC2003.md
@@ -1,4 +1,4 @@
-# expr is antiquated. Consider rewriting this using $((..)), ${} or __[[__ __]]__.
+# expr is antiquated. Consider rewriting this using `$((..))`, `${}` or `[[  ]]`.
 
 ### Problematic code: