diff --git a/lslopt/lslbasefuncs.py b/lslopt/lslbasefuncs.py
index 341e847..e79e845 100644
--- a/lslopt/lslbasefuncs.py
+++ b/lslopt/lslbasefuncs.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2016 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lslfoldconst.py b/lslopt/lslfoldconst.py
index f1239af..072076f 100644
--- a/lslopt/lslfoldconst.py
+++ b/lslopt/lslfoldconst.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2016 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lsloptimizer.py b/lslopt/lsloptimizer.py
index c90d7c4..27b0ee6 100644
--- a/lslopt/lsloptimizer.py
+++ b/lslopt/lsloptimizer.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2016 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lsloutput.py b/lslopt/lsloutput.py
index 9be6bdf..c6b7245 100644
--- a/lslopt/lsloutput.py
+++ b/lslopt/lsloutput.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2016 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lslparse.py b/lslopt/lslparse.py
index 470aea9..ad4e722 100644
--- a/lslopt/lslparse.py
+++ b/lslopt/lslparse.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2016 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/main.py b/main.py
index 85124ae..144ca91 100755
--- a/main.py
+++ b/main.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python2
 
-#    (C) Copyright 2015 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2016 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/seftable.txt b/seftable.txt
index cdec81d..cf981c0 100644
--- a/seftable.txt
+++ b/seftable.txt
@@ -1,4 +1,22 @@
 # Side-effect-free table
+#
+# Copyright © 2015-2016 Sei Lisa. All rights reserved.
+#
+#    This file is part of LSL PyOptimizer.
+#
+#    LSL PyOptimizer is free software: you can redistribute it and/or
+#    modify it under the terms of the GNU General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    LSL PyOptimizer is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with LSL PyOptimizer. If not, see <http://www.gnu.org/licenses/>.
+
 # This is a list of functions that can be optimized out if they appear in
 # side-effect-free expressions, e.g. alone as a statement, or assigned to
 # a never used variable.
diff --git a/testfuncs.py b/testfuncs.py
index 2bd8c09..7a10eb2 100644
--- a/testfuncs.py
+++ b/testfuncs.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2016 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/testparser.py b/testparser.py
index 73a9f35..743f6aa 100644
--- a/testparser.py
+++ b/testparser.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2016 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #