diff --git a/src/contents/engineering.tsx b/src/contents/engineering.tsx
index 111349882b09482983a35d489a8db9ffbb10290b..33c8fbea50547f721b568e9993dd1d845e4729c0 100644
--- a/src/contents/engineering.tsx
+++ b/src/contents/engineering.tsx
@@ -10,10 +10,10 @@ const SideNavbar: React.FC<SideNavbarProps> = ({ activeLink }) => {
   return (
     <div className="side-navbar">
       <Nav className="flex-column">
-        <Nav.Link as={Link} to="section1" smooth={true} duration={500} className={activeLink === 'section1' ? 'active' : 'notActive'}>Section 1</Nav.Link>
-        <Nav.Link as={Link} to="section2" smooth={true} duration={500} className={activeLink === 'section2' ? 'active' : 'notActive'}>Section 2</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="section4" smooth={true} duration={500} className={activeLink === 'section4' ? 'active' : 'notActive'}>Section 4</Nav.Link>
+        <Nav.Link as={Link} to="section1" smooth={true} duration={500} className={activeLink === 'section1' ? 'active' : 'notActive'}>Overview</Nav.Link>
+        <Nav.Link as={Link} to="section2" smooth={true} duration={500} className={activeLink === 'section2' ? 'active' : 'notActive'}>Sensing Module Engineering</Nav.Link>
+        <Nav.Link as={Link} to="section3" smooth={true} duration={500} className={activeLink === 'section3' ? 'active' : 'notActive'}>Metabolic Module Engineering</Nav.Link>
+        <Nav.Link as={Link} to="section4" smooth={true} duration={500} className={activeLink === 'section4' ? 'active' : 'notActive'}>Reference</Nav.Link>
         <Nav.Link as={Link} to="section5" smooth={true} duration={500} className={activeLink === 'section5' ? 'active' : 'notActive'}>Section 5</Nav.Link>
         <Nav.Link as={Link} to="section6" smooth={true} duration={500} className={activeLink === 'section6' ? 'active' : 'notActive'}>Section 6</Nav.Link>
         <Nav.Link as={Link} to="section7" smooth={true} duration={500} className={activeLink === 'section7' ? 'active' : 'notActive'}>Section 7</Nav.Link>