small doc fix

doc/gmsh.1

-.\" $Id: gmsh.1,v 1.63 2005-03-01 17:47:54 geuzaine Exp $
+.\" $Id: gmsh.1,v 1.64 2005-03-16 16:53:10 geuzaine Exp $
 .TH Gmsh 1 "10 February 2005" "Gmsh 1.59" "Gmsh Manual Pages"
 .UC 4
 .\" ********************************************************************
@@ -53,7 +53,7 @@ set output mesh format (msh, unv, gref, p3d).
 select mesh algorithm (iso, tri, aniso, netgen).
 .TP 4
 .B \-smooth int
-set number of smoothing steps.
+set number of mesh smoothing steps.
 .TP 4
 .B \-optimize
 optimize quality of tetrahedral elements.

doc/texinfo/command_line.texi

@@ -19,9 +19,9 @@ Specify mesh output file name
 @item -format string
 Set output mesh format (msh, unv, gref, p3d)
 @item -algo string
-Select 2D mesh algorithm (iso, tri, aniso, netgen)
+Select mesh algorithm (iso, tri, aniso, netgen)
 @item -smooth int
-Set mesh smoothing
+Set number of mesh smoothing steps
 @item -optimize
 Optimize quality of tetrahedral elements
 @item -order int