diff --git a/ykpamcfg.1 b/ykpamcfg.1
index 6ced35c..2976fb9 100644
--- a/ykpamcfg.1
+++ b/ykpamcfg.1
@@ -35,7 +35,7 @@
 ykpamcfg - Manage user settings for the Yubico PAM module.
 .SH SYNOPSIS
 .B ykpamcfg
-[\fI-1\fR | \fI-2\fR] [\fI-A\fR] [\fI-v\fR] [\fI-h\fR]
+[\fI-1\fR | \fI-2\fR] [\fI-A\fR] [\fI-p\fR] [\fI-v\fR] [\fI-h\fR]
 .\".SH DESCRIPTION
 .\" Add any additional description here
 .SH OPTIONS
@@ -50,6 +50,9 @@ use slot 2.
 \fB\-A \fIaction\fR
 choose action to perform. See ACTIONS below.
 .TP
+\fB\-p \fIpath\fR
+specify output file for, default is ~/.yubico/challenge
+.TP
 \fB\-v\fR
 enable verbose mode.