diff --git a/gsmartcontrol/data/gsmartcontrol.1 b/gsmartcontrol/data/gsmartcontrol.1
index e8810d1..a5f4db5 100644
--- a/gsmartcontrol/data/gsmartcontrol.1
+++ b/gsmartcontrol/data/gsmartcontrol.1
@@ -4,7 +4,7 @@ GSmartControl \- Hard disk drive health inspection tool
 .SH SYNOPSIS
 \fBgsmartcontrol\fP [OPTIONS]
 
-\fBgsmartcontrol\-root\fP [\fI<desktop>\fP [OPTIONS]]
+\fBgsmartcontrol\-root\fP [--desktop=\fI<desktop>\fP] [OPTIONS]
 .SH DESCRIPTION
 \fBGSmartControl\fP is a graphical user interface for smartctl (from
 smartmontools), which is a tool for querying and controlling SMART