diff --git a/alpha/help/0409/readme3.htm b/alpha/help/0409/readme3.htm
index c177e87..caa3ac0 100644
--- a/alpha/help/0409/readme3.htm
+++ b/alpha/help/0409/readme3.htm
@@ -8,7 +8,7 @@
 
 <h3>Install or uninstall with installer package</h3>
 <p>&nbsp
-Double click setup file ( <tt>MultiPar131_setup.exe</tt> or something like this name ),
+Double click setup file ( <tt>MultiPar133_setup.exe</tt> or something like this name ),
 and follow the installer dialog. 
 At version up, if you want to use previous setting, overwrite install is possible. 
 Before overwrite install, you should un-check "Integrate MultiPar into Shell". 
@@ -41,7 +41,7 @@ In either case, user made icons and association are available for the user only.
 
 <h3>Install with archive version</h3>
 <p>&nbsp
-Unpack compressed file ( <tt>MultiPar131.zip</tt> or something like this name ) in a folder.
+Unpack compressed file ( <tt>MultiPar133.zip</tt> or something like this name ) in a folder.
 <tt>MultiPar.exe</tt> is the interface of MultiPar.
 </p>
 <p>&nbsp