diff --git a/18.md b/18.md
index 0dead37e..3b94df86 100644
--- a/18.md
+++ b/18.md
@@ -1,6 +1,8 @@
-# NIP-18
+NIP-18
+======
 
-## Reposts
+Reposts
+-------
 
 `draft` `optional`