Update index.html

index.html

@@ -18,6 +18,7 @@ <h1>Xun (Jack) Li</h1>
         <ul>
             <li><a href="#about">About Me</a></li>
             <li><a href="#education">Education</a></li>
+	    <li><a href="#repository">Code Work</a></li>
             <li><a href="#publications">Publications</a></li>
             <li><a href="#contact">Contact</a></li>
         </ul>
@@ -45,8 +46,8 @@ <h2>Education</h2>
     </section>
 
 
-    <section id="Repository">
-        <h2>Published Code</h2>
+    <section id="repository">
+        <h2>Code Work/h2>
 	<ul> 
             <li> <a href="https://github.com/lixunjack/CodaWaveSolver/tree/master" target="_blank">CodaWaveSolver</a> : A C++ solver for calculating phase shift using the <a href="https://doi.org/10.1093/gji/ggv529" target="_blank">stretching technique</a> among seismic signals acquired from repeated active seismic experiments or background noise 
         </ul>