diff --git a/man/systemctl.xml b/man/systemctl.xml
index e7880d24f7..0ad0ad6d7e 100644
--- a/man/systemctl.xml
+++ b/man/systemctl.xml
@@ -156,6 +156,10 @@
To list all units installed in the file system, use the
list-unit-files command instead.
+
+ When listing units with list-dependencies, recursively show
+ dependencies of all dependent units (by default only dependencies of target units are
+ shown).