diff --git a/man/systemd.generator.xml b/man/systemd.generator.xml
index 62658fb115..4b80dab108 100644
--- a/man/systemd.generator.xml
+++ b/man/systemd.generator.xml
@@ -164,13 +164,16 @@
Generators are run very early at boot and cannot rely on
any external services. They may not talk to any other
process. That includes simple things such as logging to
- syslog3,
+ syslog3,
or systemd itself (this means: no
- systemctl1!). They
- can however rely on the most basic kernel functionality to
- be available, including a mounted /sys,
- /proc, /dev.
+ systemctl1)!.
+ Non-essential file systems like
+ /var and /home
+ are mounted after generators have run. Generators
+ can however rely on the most basic kernel functionality to be
+ available, including a mounted /sys,
+ /proc, /dev,
+ /usr.