diff --git a/ati-ti/index.php b/ati-ti/index.php
index 2a92748..d506ce3 100644
--- a/ati-ti/index.php
+++ b/ati-ti/index.php
@@ -48,7 +48,7 @@ include "../includes/courses.php";
   <ol>
     <li><a href="syllabus.pdf">Syllabus</a></li>
     <li><a href="introduction.pdf">Introduction to IT Architectures</a></li>
-    <li>Server Architectures</li>
+    <li><a href="server_architectures.pdf">Server Architectures</a></li>
     <li>Virtualizations</li>
     <li>Cloud Computing</li>
     <li>Web Architecture</li>
diff --git a/ati-ti/server_architectures.pdf b/ati-ti/server_architectures.pdf
index 42aa024..f1e7143 100644
Binary files a/ati-ti/server_architectures.pdf and b/ati-ti/server_architectures.pdf differ