diff --git a/iverilog-vpi.man b/iverilog-vpi.man
index e91e7079e..fe0d4e729 100644
--- a/iverilog-vpi.man
+++ b/iverilog-vpi.man
@@ -1,4 +1,4 @@
-.TH iverilog-vpi 1 "$Date: 2003/08/26 04:45:47 $" Version "$Date: 2003/08/26 04:45:47 $"
+.TH iverilog-vpi 1 "$Date: 2003/10/14 00:40:06 $" Version "$Date: 2003/10/14 00:40:06 $"
 .SH NAME
 iverilog-vpi - Compile front end for VPI modules
 
@@ -33,6 +33,12 @@ Normally, the output VPI module will be named after the first source
 file passed to the command. This flag sets the name (without the .vpi
 suffix) of the output vpi module.
 
+.TP 8
+.B --install-dir
+This flag causes the program to print the install directory for VPI
+modules, then exit. It is a convenience for makefiles or automated
+plug-in installers.
+
 .SH "PC-ONLY OPTIONS"
 
 The PC port of \fIiverilog-vpi\fP includes two special flags needed to
@@ -77,6 +83,11 @@ Print the linker flags (LDFLAGS) needed to link a VPI module.
 .B --ldlibs
 Print the libraries (LDLIBS) needed to link a VPI module.
 
+.TP 8
+.B -m32
+On 64bit systems that support it (and support vvp32) this flag
+requests a 32bit vpi binary instead of the default 64bit binary.
+
 .P
 Example GNU makefile that takes advantage of these flags:
 .IP "" 4