diff --git a/src/contents/parts.tsx b/src/contents/parts.tsx
index 1abc2762fa70cea40f8bd7ae3c39460c85102c7a..5d09d9c60b8eee1d652b362652730eb3335f2196 100644
--- a/src/contents/parts.tsx
+++ b/src/contents/parts.tsx
@@ -13,7 +13,7 @@ const SideNavbar: React.FC<SideNavbarProps> = ({ activeLink }) => {
       <Nav className="flex-column">
         <Nav.Link as={Link} to="section1" smooth={true} duration={500} className={activeLink === 'section1' ? 'active' : 'notActive'}>Basice Parts</Nav.Link>
         <Nav.Link as={Link} to="section2" smooth={true} duration={500} className={activeLink === 'section2' ? 'active' : 'notActive'}>Composite Parts</Nav.Link>
-        <Nav.Link as={Link} to="section3" smooth={true} duration={500} className={activeLink === 'section3' ? 'active' : 'notActive'}>Section 3</Nav.Link>
+        <Nav.Link as={Link} to="section3" smooth={true} duration={500} className={activeLink === 'section3' ? 'active' : 'notActive'}>Contribution</Nav.Link>
       </Nav>
     </div>
   );