diff --git a/Manual/Directories/trunk/Scripts/Functions/Prepare.texi b/Manual/Directories/trunk/Scripts/Functions/Prepare.texi
index 47fe398..e8a8333 100644
--- a/Manual/Directories/trunk/Scripts/Functions/Prepare.texi
+++ b/Manual/Directories/trunk/Scripts/Functions/Prepare.texi
@@ -258,8 +258,12 @@ Print the name and value of some of the environment variables used by
 
 @item --quiet
 
-Supress all output messages except errors.  This option assumes an
-affirmative response to all questions so, take care when using it.
+Supress all output messages, including confirmation question. Use this
+option with care.
+
+@item --answer-yes
+
+Assume @samp{yes} to all confirmation questions.
 
 @end table