diff --git a/Special-block-names.md b/Special-block-names.md
index 266c74c..13c5f3b 100644
--- a/Special-block-names.md
+++ b/Special-block-names.md
@@ -13,7 +13,7 @@ Some block names have a special name for auto rotation, listed below:
 * _block name_-SW
 * _block name_-SE
 
-### Slabs
+#### Slabs
 * _block name_-D
 * _block name_-U