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-rw-r--r--doc/lispref/display.texi2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi
index 2ff73b08bdb..b6fda1cd807 100644
--- a/doc/lispref/display.texi
+++ b/doc/lispref/display.texi
@@ -2369,7 +2369,7 @@ Draw a box with lines of width 1, in color @var{color}.
@item @code{(:line-width @var{width} :color @var{color} :style @var{style})}
This way you can explicitly specify all aspects of the box. The value
@var{width} specifies the width of the lines to draw; it defaults to
-1. A negative width @var{-n} means to draw a line of width @var{n}
+1. A negative width @minus{}@var{n} means to draw a line of width @var{n}
whose top and bottom parts occupy the space of the underlying text,
thus avoiding any increase in the character height.