diff --git a/doc/texinfo/command_line.texi b/doc/texinfo/command_line.texi
index acbc0209d395cfe1ad2d550de6fe8e41b46039f5..3e9ccaeaf4e7b22dcd27ba2b30ab7cd3ee8f85b2 100644
--- a/doc/texinfo/command_line.texi
+++ b/doc/texinfo/command_line.texi
@@ -22,6 +22,8 @@ set output mesh format (default: msh)
 select 2D mesh algorithm (default: iso)
 @item -smooth int
 set mesh smoothing (default: 0)
+@item -order int
+set the order of the generated elements (default: 1)
 @item -scale float
 set global scaling factor (default: 1.0)
 @item -meshscale float