diff --git a/share/man/man3/offsetof.3 b/share/man/man3/offsetof.3
index 9b3f568e138..ee5958f7b93 100644
--- a/share/man/man3/offsetof.3
+++ b/share/man/man3/offsetof.3
@@ -16,7 +16,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 18 2010
+.Dd February 18, 2010
 .Dt OFFSETOF 3
 .Os
 .Sh NAME