diff --git a/ci/release/template/man/d2.1 b/ci/release/template/man/d2.1
index d3d733087..e78ea6c80 100644
--- a/ci/release/template/man/d2.1
+++ b/ci/release/template/man/d2.1
@@ -67,7 +67,9 @@ Port listening address when used with
 Set the diagram theme ID
 .Ns .
 .It Fl -dark-theme Ar -1
-the diagram dark theme ID. When left unset only the theme will be applied
+Set the diagram dark theme ID. If unset, the
+.Ar theme
+is used for both light and dark modes
 .Ns .
 .It Fl s , -sketch Ar false
 Renders the diagram to look like it was sketched by hand