diff --git a/man/userdbctl.xml b/man/userdbctl.xml
index 174f854236..194f8e0e6f 100644
--- a/man/userdbctl.xml
+++ b/man/userdbctl.xml
@@ -345,16 +345,15 @@
userdb.user.*
userdb.group.*
- These credentials should contain valid
- JSON User and
- JSON Group records. For each matching
- credential, various files are created in /etc/userdb/, implementing the
- interface described in
+ These credentials should contain valid JSON
+ User and JSON Group records. For
+ each matching credential, various files are created in /etc/userdb/,
+ implementing the interface described in
nss-systemd8.
- Any passed user records must contain uid and gid fields. Any passed group records must
- contain a gid field. For both user and group records, the credential suffix (for
- userdb.user.foobar the suffix is foobar) must match the
- user or group name encoded in the record.
+ Any passed user records must contain valid UID and GID fields. Any passed group records must
+ contain a GID field (i.e. automatic UID/GID allocation is not supported). For both user and
+ group records, the credential suffix (for userdb.user.foobar the suffix is
+ foobar) must match the user or group name encoded in the record.