diff --git a/contrib/mm/groff_mm.7.man b/contrib/mm/groff_mm.7.man
index 715399f1..dcfd675f 100644
--- a/contrib/mm/groff_mm.7.man
+++ b/contrib/mm/groff_mm.7.man
@@ -610,7 +610,7 @@ Generates an approval line with place for signature and date.
 .
 The text \[lq]APPROVED:\[rq] can be changed with the string
 .BR Letapp ;
-it is replaced with an empty lin if there is a second argument.
+it is replaced with an empty line if there is a second argument.
 .
 The text \[lq]Date\[rq] can be changed with the string
 .BR Letdate .