diff --git a/verilog.1 b/verilog.1
index 7c4de03db..ad9d4a410 100644
--- a/verilog.1
+++ b/verilog.1
@@ -34,6 +34,9 @@ Append path \fIincludepath\fP to list of paths searched for include files.
 .B -X
 Generate XNF files as output. Default is VVM-format.
 .TP 8
+.B -x
+Executes the generated file directly after compilation.
+.TP 8
 .B -o \fIfilename\fP
 Place output in the file \fIfilename\fP. If not given, \fIverilog\fP tries to
 make a guess; if the input filename is "hello.v", the output