diff --git a/_layouts/index.html b/_layouts/index.html
index 53f8327..3f68bcb 100644
--- a/_layouts/index.html
+++ b/_layouts/index.html
@@ -83,9 +83,16 @@ <h1>A high level multiphysics finite element software</h1>
           manipulation of data on multiple meshes.
         </p>
         <p>
-          Examples of Associated book:  <a href="{{ site.url }}{{ site.baseurl }}/Optim" target="_blank">PDE-constrained optimization within FreeFEM</a>,
-         <a href="{{ site.url }}{{ site.baseurl }}/FEM-INS" target="_blank"> </a>Mathematics and Finite Element Discretizations of Incompressible Navier-Stokes Flows</a>
-        </p>  
+          Examples of Associated book: 
+          <ul>
+            <li> <a href="{{ site.url }}{{ site.baseurl }}/Optim" target="_blank">PDE-constrained optimization within FreeFEM</a></li>
+            <li><a href="{{ site.url }}{{ site.baseurl }}/FEM-INS" target="_blank"> 
+                 Mathematics and Finite Element Discretizations of Incompressible Navier-Stokes Flows</a></li>
+   
+          </ul>
+          
+          
+          </p>  
       </article>
     </section>