diff --git a/_includes/page-header.html b/_includes/page-header.html
index a507e72..1dff0f6 100755
--- a/_includes/page-header.html
+++ b/_includes/page-header.html
@@ -6,6 +6,7 @@ <h2 class="project-tagline">{{ site.tagline }}</h2>
   <a href="/info" class="btn">Course Info</a>
   <a href="/discussion" class="btn">Discussion Sections</a>
   <a href="/assignments" class="btn">Assignments</a>
+  <a href="/summary" class="btn">Lecture Summary/a>
   <a href="/quiz" class="btn">Quiz Archive</a>
   <a href="/final" class="btn">Final Project</a>
 </section>