diff --git a/man/run0.xml b/man/run0.xml
index 478af8a90b..c9be24da98 100644
--- a/man/run0.xml
+++ b/man/run0.xml
@@ -219,6 +219,43 @@
non-zero return value will be returned.
+
+ Environment Variables
+
+ As with systemd-run, the session will inherit the system
+ environment from the service manager. In addition, the following environment variables will be set:
+
+
+
+ $TERM
+ Copied from the $TERM of the caller. Can be overriden with
+
+
+
+
+
+ $SUDO_USER
+ Set to the username of the originating user.
+
+
+
+
+
+ $SUDO_UID
+ Set to the numeric UNIX user id of the originating user.
+
+
+
+
+
+ $SUDO_GID
+ Set to the primary numeric UNIX group id of the originating session.
+
+
+
+
+
+
See Also