diff --git a/lib/libsysdecode/sysdecode_mask.3 b/lib/libsysdecode/sysdecode_mask.3
index 04c88c07954d..331c8078ec9d 100644
--- a/lib/libsysdecode/sysdecode_mask.3
+++ b/lib/libsysdecode/sysdecode_mask.3
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd November 24, 2017
+.Dd January 16, 2018
 .Dt sysdecode_mask 3
 .Os
 .Sh NAME