diff --git a/install_on_cubieboard.md b/install_on_cubieboard.md
index 739baf00..bf6d2817 100644
--- a/install_on_cubieboard.md
+++ b/install_on_cubieboard.md
@@ -29,7 +29,7 @@
 ### Recommended after post-installation
 
 * Connect via [SSH](ssh): **root@expemple.tld** (password: **yunohost**)
-* Change root password: `passwd root`
+* Change root password: `passwd root` or use [SSH authentication via key](security)
 * Upgrade system: `apt-get update && apt-get dist-upgrade && cubian-update`
 
 ---