diff --git a/SC2143.md b/SC2143.md
index 6f3904c..8238ba9 100644
--- a/SC2143.md
+++ b/SC2143.md
@@ -1,4 +1,5 @@
-## Use grep -q instead of comparing output with [ -n .. ].
+## Use `grep -q` instead of comparing output with `[ -n .. ]`.
+
 ### Problematic code:
 
 ```sh