diff --git a/doc/hackerbase.1 b/doc/hackerbase.1
index 418457b..754bcde 100644
--- a/doc/hackerbase.1
+++ b/doc/hackerbase.1
@@ -214,6 +214,10 @@ across all bank account statements. The value read from configuration
 file can be overriden by this option. This file is used for the
 \fB\-unpaired\fR action.
 
+.TP
+.B \-dokuwiki \fRdir
+Base directory of DokuWiki installation.
+
 .TP
 .B \-from \fRemail
 Specify sender email address. The value read from configuration file