diff --git a/doc/texinfo/opt_mesh.texi b/doc/texinfo/opt_mesh.texi
index c8672467bde4c1459ebb01097160c6cdd3536880..08397d92fc27b879084196ea45b84933c4870812 100644
--- a/doc/texinfo/opt_mesh.texi
+++ b/doc/texinfo/opt_mesh.texi
@@ -9,6 +9,11 @@ Saved in: @code{General.OptionsFileName}
 Default value: @code{1}@*
 Saved in: @code{General.OptionsFileName}
 
+@item Mesh.Algorithm3D
+3D mesh algorithm (1=isotropic, 4=netgen)@*
+Default value: @code{1}@*
+Saved in: @code{General.OptionsFileName}
+
 @item Mesh.AllowDegeneratedExtrude
 Allow the generation of degenerated hexahedra or prisms during extrusion@*
 Default value: @code{0}@*
@@ -20,7 +25,7 @@ Default value: @code{1}@*
 Saved in: @code{General.OptionsFileName}
 
 @item Mesh.ColorCarousel
-Color mesh by region? (0=no, 1=by elementary entity, 2=by physical entity, 3=by partition)@*
+Mesh coloring (0=by element type, 1=by elementary entity, 2=by physical entity, 3=by partition)@*
 Default value: @code{1}@*
 Saved in: @code{General.OptionsFileName}