diff --git a/source/_notes/20.md b/source/_notes/20.md
index 5477197..5b9359e 100644
--- a/source/_notes/20.md
+++ b/source/_notes/20.md
@@ -4,6 +4,8 @@ date: 2024-09-03 19:03:27
 tags: [PHP, Vim, Software Development]
 ---
 
+Given this PHP code (for example):
+
 ```php
 $a = [
   'b' => 2,