diff --git a/man/xresources.texi b/man/xresources.texi
index 142b1bc70a0..ed0dd433dc9 100644
--- a/man/xresources.texi
+++ b/man/xresources.texi
@@ -289,6 +289,11 @@ Switch foreground and background default colors if @samp{on}, use colors as
 specified if @samp{off}.
 @end ifnottex
 
+@item @code{scrollBarWidth} (class @code{ScrollBarWidth})
+@cindex scrollbar width
+The scroll bar width in pixels, equivalent to the frame parameter
+@code{scroll-bar-width}.
+
 @item @code{screenGamma} (class @code{ScreenGamma})
 @cindex gamma correction
 Gamma correction for colors, equivalent to the frame parameter