diff --git a/SC1139.md b/SC1139.md
index dbed380..55c6c34 100644
--- a/SC1139.md
+++ b/SC1139.md
@@ -1,4 +1,4 @@
-## Use || instead of '-o' between test commands.
+## Use `||` instead of `-o` between test commands.
 
 And variations, like "Use `&&` instead of `and`".