diff --git a/control_howto.md b/control_howto.md
index 6104f3c..de18af6 100644
--- a/control_howto.md
+++ b/control_howto.md
@@ -2,6 +2,7 @@
 
 Panels
 
+[Align mirrors](https://git.psi.ch/grp-sf_cristallina/documentation/-/blob/master/align_mirrors.md)
 
 * Launcher: 
     * `launcher`