diff --git a/usr.bin/diff/diff.1 b/usr.bin/diff/diff.1
index 3e888abd51d5..fbdbc63a7a55 100644
--- a/usr.bin/diff/diff.1
+++ b/usr.bin/diff/diff.1
@@ -30,7 +30,7 @@
 .\"     @(#)diff.1	8.1 (Berkeley) 6/30/93
 .\" $FreeBSD$
 .\"
-.Dd Septembr 03, 2017
+.Dd March 11, 2017
 .Dt DIFF 1
 .Os
 .Sh NAME