diff --git a/basis/db/tuples/tuples-docs.factor b/basis/db/tuples/tuples-docs.factor
index bf467991f5..254e7fc282 100644
--- a/basis/db/tuples/tuples-docs.factor
+++ b/basis/db/tuples/tuples-docs.factor
@@ -1,4 +1,5 @@
 ! Copyright (C) 2008 Doug Coleman.
+! Copyright (C) 2018 Alexander Ilin.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: classes help.markup help.syntax io.streams.string kernel
 quotations sequences strings math db.types db.tuples.private db ;
diff --git a/basis/db/tuples/tuples.factor b/basis/db/tuples/tuples.factor
index 015ec7a4d1..12f783711b 100644
--- a/basis/db/tuples/tuples.factor
+++ b/basis/db/tuples/tuples.factor
@@ -1,4 +1,5 @@
 ! Copyright (C) 2008 Doug Coleman.
+! Copyright (C) 2018 Alexander Ilin.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: arrays assocs classes db kernel namespaces
 classes.tuple words sequences slots math accessors