diff --git a/doc/tmac.nh b/doc/tmac.nh
index d4dd18a11..074e6df59 100644
--- a/doc/tmac.nh
+++ b/doc/tmac.nh
@@ -122,7 +122,7 @@
 .\"    $1 - repeat count for amount of padding (optional; default is 1)
 .de BR
 .ie \\.$==0 .nr bR 1v
-.el .nr bR (\\$1-0)v
+.el .nr bR 0\\$1v
 \0
 .sp \\n(bR
 .br