diff --git a/src/contents/safety.tsx b/src/contents/safety.tsx
index b971d6dcfa95acc417ce50a557594f2e203f70a4..b6c3263f7bc1b9b86b9f1ce73544a5fb1487d95a 100644
--- a/src/contents/safety.tsx
+++ b/src/contents/safety.tsx
@@ -80,6 +80,7 @@ The next page details the security measures and considerations our team has take
               
               <Element name="section2" className="element rounded-border" id='section2'>
                 <h2>Safe Project Design</h2>
+                <h3>2.1Chassis Safety</h3>
                 <p>Content for section 2.</p>
                 <img 
                 src="https://static.igem.wiki/teams/5378/school-badge/yanyintech.webp"