diff --git a/SC2003.md b/SC2003.md
index 47a41c6..114afd6 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: