diff --git a/app/scrcpy.1 b/app/scrcpy.1
index bde58d65..2547658e 100644
--- a/app/scrcpy.1
+++ b/app/scrcpy.1
@@ -109,6 +109,10 @@ Make scrcpy window always on top (above other windows).
 .B \-v, \-\-version
 Print the version of scrcpy.
 
+.TP
+.B \-\-window\-borderless
+Disable window decorations (display borderless window).
+
 .TP
 .BI \-\-window\-title " text
 Set a custom window title.