diff --git a/docs/contribution.md b/docs/contribution.md
index a9ac7d63a89d0f455ac26ce339a9bfc53bc76856..8938d8fba4ddaf38e6244a66847604a5efe5b8a6 100644
--- a/docs/contribution.md
+++ b/docs/contribution.md
@@ -28,7 +28,7 @@ Another large aspect of our contribution to the iGEM community comes from our NU
 DO A TABLE WITH OUR CATAGORIES OF PARTS AND THEIR NUMBERS
 For detailed information about Natronaut's parts please refer to the Engineering and Parts pages. LINK
 
-### 4.  Sustainable Development Booklet 
+#### 4.  Sustainable Development Booklet 
 DEVY WORKING