diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml
index f79594c821..fc8ee5d131 100644
--- a/man/systemd.unit.xml
+++ b/man/systemd.unit.xml
@@ -1714,6 +1714,7 @@
           <term><varname>AssertHost=</varname></term>
           <term><varname>AssertKernelCommandLine=</varname></term>
           <term><varname>AssertKernelVersion=</varname></term>
+          <term><varname>AssertCredential=</varname></term>
           <term><varname>AssertEnvironment=</varname></term>
           <term><varname>AssertSecurity=</varname></term>
           <term><varname>AssertCapability=</varname></term>