diff --git a/swarmlab/index-doc.html b/swarmlab/index-doc.html
index 1d425e3..3ae62a8 100644
--- a/swarmlab/index-doc.html
+++ b/swarmlab/index-doc.html
@@ -232,6 +232,7 @@ Swarmlab is a powerful collaboration tool that connects tutors and students in a
+