diff --git a/SC1040.md b/SC1040.md
index 6e9e72c..2100032 100644
--- a/SC1040.md
+++ b/SC1040.md
@@ -1,4 +1,4 @@
-## When using <<-, you can only indent with tabs.
+## When using `<<-`, you can only indent with tabs.
 
 ### Problematic code: