diff --git a/SUMMARY.md b/SUMMARY.md
index 9fcc0d8e6..5edcee5f7 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -8,6 +8,7 @@
    * [others](others.md)
 * [Installation](installation.md)
    * [XOA](xoa.md)
+       * plop
    * [Trial activation](trial_activation.md)
    * [From the sources](from_the_sources.md)
 * [Configuration](configuration.md)