diff --git a/_data/sidebars/call-for-participation.yml b/_data/sidebars/call-for-participation.yml
index 373b41b9d..688d2ef33 100644
--- a/_data/sidebars/call-for-participation.yml
+++ b/_data/sidebars/call-for-participation.yml
@@ -3,15 +3,15 @@
     - text: "Papers"
       url: "/year/2020/info/call-participation/call-for-participation"
     - text: "Short Papers"
-       url: "/year/2020/info/call-participation/shortpapers"
+      url: "/year/2020/info/call-participation/shortpapers"
     - text: "Posters"
     #   url: "/year/2020/info/call-participation/posters"
     - text: "Tutorials"
-       url: "/year/2020/info/call-participation/tutorials"
+      url: "/year/2020/info/call-participation/tutorials"
     - text: "Workshops"
       url: "/year/2020/info/call-participation/workshops"
     - text: "Panels"
-       url: "/year/2020/info/call-participation/panels"
+      url: "/year/2020/info/call-participation/panels"
     - text: "Doctorial Colloquium"
       url: "/year/2020/info/call-participation/doctoral-colloquium"
     - text: "Application Spotlghts"