diff --git a/SC2004.md b/SC2004.md
index 0f09cba..93c63b2 100644
--- a/SC2004.md
+++ b/SC2004.md
@@ -1,4 +1,4 @@
-# $/${} is unnecessary on arithmetic variables.
+# `$`/`${}` is unnecessary on arithmetic variables.
 
 ### Problematic code: