diff --git a/SC2279.md b/SC2279.md
index c62de0d..be57a02 100644
--- a/SC2279.md
+++ b/SC2279.md
@@ -1,4 +1,4 @@
-## $0 can't be assigned in Dash. This becomes a command name.
+## `$0` can't be assigned in Dash. This becomes a command name.
 
 ### Problematic code: