diff --git a/README.md b/README.md
index 96b81b5..41844e8 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ film_core(9.5, 3 * 25.4, true);
 
 -----
 
-# 8mm Cores
+## 8mm Cores
 
 ![8mm Core - 2in](./img/film_core_8mm_2in.jpg)