diff --git a/rev/02/intro.md b/rev/02/intro.md
index 6647df07..12f6ecc4 100644
--- a/rev/02/intro.md
+++ b/rev/02/intro.md
@@ -1,4 +1,4 @@
-Pendahuluan
+# Pendahuluan
 
 # Catatan Umum Wahyu 02