diff --git a/doc/Guidebook.mn b/doc/Guidebook.mn
index 4578194d9..1afa8ff16 100644
--- a/doc/Guidebook.mn
+++ b/doc/Guidebook.mn
@@ -1,4 +1,4 @@
-.\" $NHDT-Branch: keni-regex $:$NHDT-Revision: 1.571 $ $NHDT-Date: 1710008891 2024/03/09 18:28:11 $
+.\" $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.574 $ $NHDT-Date: 1711040379 2024/03/21 16:59:39 $
 .\"
 .\" This is an excerpt from the 'roff' man page from the 'groff' package.
 .\"+--
@@ -46,7 +46,7 @@
 .ds f0 \*(vr
 .ds f1 \" empty
 .\"DO NOT REMOVE NH_DATESUB .ds f2 DATE(%B %-d, %Y)
-.ds f2 February 29, 2024
+.ds f2 March 21, 2024
 .
 .\" A note on some special characters:
 .\" \(lq = left double quote
@@ -4994,23 +4994,24 @@ setting the value to 3 or 4 instead will keep borders for the map, message,
 and status windows but have room for two additional lines of inventory
 plus widen each inventory line by two columns.
 .lp windowcolors
-If NetHack can, it should display windows with the specified
-foreground/background colors.
+If NetHack can, it should display all windows of a particular style
+with the specified foreground and background colors.
 Windows GUI and curses windowport only.
 The format is
 .si
-.lp "OPTION=windowcolors:wintype foreground/background"
+.lp "\f(CROPTION=windowcolors:\fIstyle foreground\f(CR/\fIbackground\fR"
 .ei
-.pg
-where wintype is one of \(lqmenu\(rq, \(lqmessage\(rq, \(lqstatus\(rq,
+.lp ""
+where \fIstyle\fP is one of \(lqmenu\(rq, \(lqmessage\(rq, \(lqstatus\(rq,
 or \(lqtext\(rq, and
-foreground and background are colors, either a hexadecimal \\'#rrggbb',
+\fIforeground\fP and \fIbackground\fP are colors, either numeric (hash
+sign followed by three pairs of hexadecimal digits, \fI#rrggbb\fP),
 one of the named colors (black, red, green, brown,
-blue, magenta, cyan, orange, brightgreen, yellow, brightblue,
-brightmagenta, brightcyan, white, trueblack, gray, purple,
+blue, magenta, cyan, orange, bright-green, yellow, bright-blue,
+bright-magenta, bright-cyan, white, gray, purple,
 silver, maroon, fuchsia, lime, olive, navy, teal, aqua),
-or one of Windows UI colors (activeborder, activecaption,
-appworkspace, background, btnface, btnshadow, btntext,
+or (for Windows only) one of Windows UI colors (trueblack, activeborder,
+activecaption, appworkspace, background, btnface, btnshadow, btntext,
 captiontext, graytext, greytext, highlight, highlighttext,
 inactiveborder, inactivecaption, menu, menutext, scrollbar,
 window, windowframe, windowtext).
diff --git a/doc/Guidebook.tex b/doc/Guidebook.tex
index 6a5e2fbc4..05cbbebe6 100644
--- a/doc/Guidebook.tex
+++ b/doc/Guidebook.tex
@@ -1,5 +1,5 @@
 \documentstyle[titlepage,longtable]{article}
-% NetHack 3.7  Guidebook.tex $NHDT-Date: 1710008891 2024/03/09 18:28:11 $  $NHDT-Branch: keni-regex $:$NHDT-Revision: 1.559 $ */
+% NetHack 3.7  Guidebook.tex $NHDT-Date: 1711040379 2024/03/21 16:59:39 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.562 $ */
 %+% we're still limping along in LaTeX 2.09 compatibility mode
 %-%\documentclass{article}
 %-%\usepackage{hyperref} % before longtable
@@ -48,7 +48,7 @@
 \author{Original version - Eric S. Raymond\\
 (Edited and expanded for 3.7.0 by Mike Stephenson and others)}
 %DO NOT REMOVE NH_DATESUB \date{DATE(%B %-d, %Y)}
-\date{February 29, 2024}
+\date{March 21, 2024}
 
 \maketitle
 
@@ -5511,27 +5511,28 @@ and status windows but have room for two additional lines of inventory
 plus widen each inventory line by two columns.
 %.lp
 \item[\ib{windowcolors}]
-If {\it NetHack\/} can, it should display windows with the specified
-foreground/background colors.
+If {\it NetHack\/} can, it should display all windows of a particular style
+with the specified foreground and background colors.
 Windows GUI and curses windowport only.
-The format is
-\begin{verbatim}
-    OPTION=windowcolors:wintype foreground/background
-\end{verbatim}
-
-%.pg
-where wintype is one of {\it menu}, {\it message}, {\it status}, or {\it text}, and
-foreground and background are colors, either a hexadecimal {\it \#rrggbb},
+The format is\\
+{\tt ~~~~OPTION=windowcolors:}{\it style foreground\/}{\tt /}{\it background}\\
+where {\it style} is one of {\tt menu}, {\tt message}, {\tt status},
+or {\tt text}, and
+{\it foreground} and {\it background} are colors, either numeric (hash
+sign followed by three pairs of hexadecimal digits, {\it \#rrggbb\/}),
 one of the named colors ({\it black}, {\it red}, {\it green}, {\it brown},
 {\it blue}, {\it magenta}, {\it cyan}, {\it orange},
-{\it brightgreen}, {\it yellow}, {\it brightblue}, {\it brightmagenta},
-{\it brightcyan}, {\it white}, {\it trueblack}, {\it gray}, {\it purple},
+{\it bright-green}, {\it yellow}, {\it bright-blue}, {\it bright-magenta},
+{\it bright-cyan}, {\it white}, {\it gray}, {\it purple},
 {\it silver}, {\it maroon}, {\it fuchsia}, {\it lime}, {\it olive},
-{\it navy}, {\it teal}, {\it aqua}), or one of Windows UI colors ({\it activeborder},
-{\it activecaption}, {\it appworkspace}, {\it background}, {\it btnface}, {\it btnshadow},
-{\it btntext}, {\it captiontext}, {\it graytext}, {\it greytext}, {\it highlight},
+{\it navy}, {\it teal}, {\it aqua}),
+or (for Windows only) one of Windows UI colors ({\it trueblack},
+{\it activeborder}, {\it activecaption}, {\it appworkspace}, {\it background},
+{\it btnface}, {\it btnshadow}, {\it btntext}, {\it captiontext},
+{\it graytext}, {\it greytext}, {\it highlight},
 {\it highlighttext}, {\it inactiveborder}, {\it inactivecaption}, {\it menu},
-{\it menutext}, {\it scrollbar}, {\it window}, {\it windowframe}, {\it windowtext}).
+{\it menutext}, {\it scrollbar}, {\it window}, {\it windowframe},
+{\it windowtext}).
 
 %.lp
 \item[\ib{wraptext}]