diff --git a/Doc/myformat.sty b/Doc/myformat.sty
index 7bb1ef94401..c4db0d19c69 100644
--- a/Doc/myformat.sty
+++ b/Doc/myformat.sty
@@ -4,18 +4,18 @@
 \sloppy
 
 % A4 page lay-out parameters
-\textwidth =      160mm
-\textheight =     240mm
-\topmargin =      -11mm
+%\textwidth =      160mm
+%\textheight =     240mm
+%\topmargin =      -11mm
 
 % Americal page lay-out parameters
-%\textwidth =      160mm
-%\textheight =     220mm
-%\topmargin =      -11mm
+\textwidth =      160mm
+\textheight =     220mm
+\topmargin =      -11mm
 
 \oddsidemargin =    0mm
 \evensidemargin =   0mm
-%\parindent =        0mm
+%\parindent =       0mm
 
 % Frequently used system name
 \newcommand{\UNIX}{U{\sc nix}}