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-rw-r--r--doc/groff.texinfo4
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/groff.texinfo b/doc/groff.texinfo
index 1218ed93..e4670ac4 100644
--- a/doc/groff.texinfo
+++ b/doc/groff.texinfo
@@ -10298,8 +10298,8 @@ expression with a default scale indicator of @samp{z}.
@itemx \s+'@var{n}'
@itemx \s-'@var{n}'
Increase or or decrease the point size by @var{n}@tie{}scaled points;
-@var{n}@tie{}is a numeric expression with a default scale indicator of
-@samp{z}.
+@var{n}@tie{}is a numeric expression (which may start with a minus sign)
+with a default scale indicator of @samp{z}.
@end table
@xref{Font Files}.