diff --git a/pages/compiler-pattern-matching.typ b/pages/compiler-pattern-matching.typ
index 9482f1e..5db9075 100644
--- a/pages/compiler-pattern-matching.typ
+++ b/pages/compiler-pattern-matching.typ
@@ -286,8 +286,8 @@
 
 #section[
   Now what should the compiler do when it sees this:
-  #context html-frame[```
-  lisp (sub (add 5 1) 2)
+  #context html-frame[```lisp
+  (sub (add 5 1) 2)
   ```]
 ]