diff --git a/man/systemd-userdbd.service.xml b/man/systemd-userdbd.service.xml
index 9d8b62c452..63673d9dc0 100644
--- a/man/systemd-userdbd.service.xml
+++ b/man/systemd-userdbd.service.xml
@@ -57,7 +57,7 @@
     records as acquired with APIs such as <citerefentry
     project='man-pages'><refentrytitle>getpwnam</refentrytitle><manvolnum>1</manvolnum></citerefentry> to
     JSON user/group records, thus hiding the differences between the services as much as
-    possible. <constant>io.systemd.Dropin</constant> makes JSON user/group records from the aforementioned
+    possible. <constant>io.systemd.DropIn</constant> makes JSON user/group records from the aforementioned
     drop-in directories available.</para>
   </refsect1>