diff --git a/alliance/share/man/man1/boom.1 b/alliance/share/man/man1/boom.1
index dad75b01..7da53396 100644
--- a/alliance/share/man/man1/boom.1
+++ b/alliance/share/man/man1/boom.1
@@ -1,4 +1,4 @@
-.\"   $Id: boom.1,v 1.3 2000/09/08 14:53:02 syf Exp $
+.\"   $Id: boom.1,v 1.4 2001/11/17 14:02:00 syf Exp $
 .\" @(#)Labo.l 2.2 95/09/24 UPMC; Author: Jacomme L.
 .pl -.4
 .TH BOOM 1 "August 25, 2000" "ASIM/LIP6" "CAO\-VLSI Reference Manual"
@@ -85,7 +85,7 @@ Specifies the optimization level [0\-3]
 .TP 10
 \f4\-d num\fP
 Specifies the delay optimization percent
-(default is 50% delay, 50% surface).
+(default is 0% delay, 100% surface).
 .TP 10
 \f4\-i num\fP
 Specifies the number of iterations for the choosen optimization algorithm