diff --git a/l3build.dtx b/l3build.dtx
index b0fb8b2..9c16d99 100644
--- a/l3build.dtx
+++ b/l3build.dtx
@@ -1685,6 +1685,7 @@
 %       \var{quiet}         & Boolean \\
 %       \var{rerun}         & Boolean \\
 %       \var{shuffle}       & Boolean \\
+%       \var{stdengine}     & Boolean \\
 %       \var{texmfhome}     & String  \\
 %     \bottomrule
 %     \end{tabular}