diff --git a/course.html b/course.html
index df498f8..9567495 100644
--- a/course.html
+++ b/course.html
@@ -24,15 +24,19 @@ <h1>Bitcoin Engineering School</h1>
           <h2>Courses</h2>
           <section class="courses">
             <article class="course">
+              <a href="https://learn.saylor.org/course/view.php?id=500"><img src="https://learn.saylor.org/theme/image.php/saylor/theme_saylor/1706621812/logos/logo_dark_large"></a>
               <h3>Course : Bitcoin for Developers</h3>
               <p>by Saylor Academy</p>
               <p>Cost : Free</p>
-            </article class="course">
-              <a href="index.html"><img></a>
+            </article>
+            <article class="course">
+              <a href="https://learn.saylor.org/course/view.php?id=500"><img src="https://learn.saylor.org/theme/image.php/saylor/theme_saylor/1706621812/logos/logo_dark_large"></a>
               <h3>Course : Bitcoin for Developers</h3>
               <p>by Saylor Academy</p>
               <p>Cost : Free</p>
+            </article>
             <article>
+              <a href="https://learn.saylor.org/course/view.php?id=500"><img src="https://learn.saylor.org/theme/image.php/saylor/theme_saylor/1706621812/logos/logo_dark_large"></a>
               <h3>Course : Bitcoin for Developers</h3>
               <p>by Saylor Academy</p>
               <p>Cost : Free</p>