diff --git a/swarmlab/index-doc.html b/swarmlab/index-doc.html
index a109fe0..a87eb69 100644
--- a/swarmlab/index-doc.html
+++ b/swarmlab/index-doc.html
@@ -263,6 +263,46 @@ Swarmlab is a powerful collaboration tool that connects tutors and students in a
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                 <!-- Cardsrow 3 contribute-->
 
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+                <!-- Cardsrow 3a docs-->
+                <div class="layout-margin-8 mt-4">
+                    <div class="card-deck">
+
+                <!-- SwarmLab contribute -->
+                        <div class="card card-shadow text-center">
+                            <div class="card-body">
+                                <h4 class="card-title"><b>Lab Courses!</b></h4>
+                                <p class="card-text"></p>
+                                <div class="dropdown-divider"></div>
+                                <p class="card-text">
+                                <small class="text-muted">
+                                        Interactive participatory online lab courses
+
+                                </small></p>
+                                <a href="http://docs.swarmlab.io/SwarmLab-HowTos/courses/main.adoc.html" target="_blank">
+                                    <button type="button" class="btn btn-outline-primary">Read More</button>
+                                </a>
+                            </div>
+                         </div>
+                <!-- Swarmlab contribute -->
+
+                    </div>
+                </div>
+                <!-- Cardsrow 3a docs-->
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                 <!-- Cardsrow menouvideo swarmlabvideo-->
                 <div class="layout-margin-12 mt-4 text-center">
                                 <h3 class="mb-2 bg-info text-white text-center"><b>Swarmlab Videos!</b></h3>