diff --git a/kumascript/macros/LearnSidebar.ejs b/kumascript/macros/LearnSidebar.ejs
index 577582187aae..4e3ca142acf0 100644
--- a/kumascript/macros/LearnSidebar.ejs
+++ b/kumascript/macros/LearnSidebar.ejs
@@ -515,6 +515,7 @@ const sections = [
           "JavaScript/Building_blocks/Build_your_own_function",
           "JavaScript/Building_blocks/Return_values",
           "JavaScript/Building_blocks/Events",
+          "JavaScript/Building_blocks/Event_bubbling",
           "JavaScript/Building_blocks/Image_gallery",
         ]
       },