diff --git a/doc/about.texi b/doc/about.texi
index 32becfc..16d276e 100644
--- a/doc/about.texi
+++ b/doc/about.texi
@@ -1,5 +1,5 @@
 @c  This document is part of the GNU ease.js manual.
-@c  Copyright (c) 2011 Mike Gerwitz
+@c  Copyright (C) 2011, 2013 Mike Gerwitz
 @c    Permission is granted to copy, distribute and/or modify this document
 @c    under the terms of the GNU Free Documentation License, Version 1.3
 @c    or any later version published by the Free Software Foundation;
diff --git a/doc/classes.texi b/doc/classes.texi
index 47f7258..16b3be7 100644
--- a/doc/classes.texi
+++ b/doc/classes.texi
@@ -1,5 +1,5 @@
 @c  This document is part of the GNU ease.js manual.
-@c  Copyright (c) 2011 Mike Gerwitz
+@c  Copyright (C) 2011, 2012, 2013 Mike Gerwitz
 @c    Permission is granted to copy, distribute and/or modify this document
 @c    under the terms of the GNU Free Documentation License, Version 1.3
 @c    or any later version published by the Free Software Foundation;
diff --git a/doc/easejs.texi b/doc/easejs.texi
index c5af5b4..9fefd1e 100644
--- a/doc/easejs.texi
+++ b/doc/easejs.texi
@@ -1,5 +1,5 @@
 @c  This document is part of the GNU ease.js manual.
-@c  Copyright (c) 2011 Mike Gerwitz
+@c  Copyright (C) 2011, 2012, 2013 Mike Gerwitz
 @c    Permission is granted to copy, distribute and/or modify this document
 @c    under the terms of the GNU Free Documentation License, Version 1.3
 @c    or any later version published by the Free Software Foundation;
diff --git a/doc/impl-details.texi b/doc/impl-details.texi
index e783e42..619c197 100644
--- a/doc/impl-details.texi
+++ b/doc/impl-details.texi
@@ -1,5 +1,5 @@
 @c  This document is part of the GNU ease.js manual.
-@c  Copyright (c) 2011 Mike Gerwitz
+@c  Copyright (C) 2011, 2012, 2013 Mike Gerwitz
 @c    Permission is granted to copy, distribute and/or modify this document
 @c    under the terms of the GNU Free Documentation License, Version 1.3
 @c    or any later version published by the Free Software Foundation;
diff --git a/doc/integration.texi b/doc/integration.texi
index b2013ee..6bb323a 100644
--- a/doc/integration.texi
+++ b/doc/integration.texi
@@ -1,5 +1,5 @@
 @c  This document is part of the GNU ease.js manual.
-@c  Copyright (c) 2011 Mike Gerwitz
+@c  Copyright (C) 2011, 2013 Mike Gerwitz
 @c    Permission is granted to copy, distribute and/or modify this document
 @c    under the terms of the GNU Free Documentation License, Version 1.3
 @c    or any later version published by the Free Software Foundation;
diff --git a/doc/mkeywords.texi b/doc/mkeywords.texi
index 04e784b..6117eeb 100644
--- a/doc/mkeywords.texi
+++ b/doc/mkeywords.texi
@@ -1,5 +1,5 @@
 @c  This document is part of the GNU ease.js manual.
-@c  Copyright (c) 2011 Mike Gerwitz
+@c  Copyright (C) 2011, 2013 Mike Gerwitz
 @c    Permission is granted to copy, distribute and/or modify this document
 @c    under the terms of the GNU Free Documentation License, Version 1.3
 @c    or any later version published by the Free Software Foundation;
diff --git a/doc/source-tree.texi b/doc/source-tree.texi
index 2957a6d..d5bedb3 100644
--- a/doc/source-tree.texi
+++ b/doc/source-tree.texi
@@ -1,5 +1,5 @@
 @c  This document is part of the GNU ease.js manual.
-@c  Copyright (c) 2011 Mike Gerwitz
+@c  Copyright (C) 2011, 2013 Mike Gerwitz
 @c    Permission is granted to copy, distribute and/or modify this document
 @c    under the terms of the GNU Free Documentation License, Version 1.3
 @c    or any later version published by the Free Software Foundation;
diff --git a/tools/combine b/tools/combine
index 91de31f..b8fd079 100755
--- a/tools/combine
+++ b/tools/combine
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-#  Copyright (C) 2010, 2011, 2012 Mike Gerwitz
+#  Copyright (C) 2010, 2011, 2012, 2013 Mike Gerwitz
 #
 #  This file is part of GNU ease.js.
 #
diff --git a/tools/linechk b/tools/linechk
index bf485a4..db57993 100755
--- a/tools/linechk
+++ b/tools/linechk
@@ -4,7 +4,7 @@
 #
 # For a list of ignored patterns, see chk-linelen-ignores
 #
-#  Copyright (C) 2012 Mike Gerwitz
+#  Copyright (C) 2012, 2013 Mike Gerwitz
 #
 #  This file is part of GNU ease.js.
 #
diff --git a/tools/mkexterns b/tools/mkexterns
index 61833d5..75bf3b6 100755
--- a/tools/mkexterns
+++ b/tools/mkexterns
@@ -5,7 +5,7 @@
 # modules. Therefore, to permit this, we must generate an extern file containing
 # basic definitions of each.
 #
-#  Copyright (C) 2011, 2012 Mike Gerwitz
+#  Copyright (C) 2011, 2012, 2013 Mike Gerwitz
 #
 #  This file is part of GNU ease.js.
 #
diff --git a/tools/rmtrail b/tools/rmtrail
index 777e7f8..ede01d9 100755
--- a/tools/rmtrail
+++ b/tools/rmtrail
@@ -9,7 +9,7 @@
 # to keep it as simple (and fast) as possible. The below implementation is
 # suitable for our needs.
 #
-#  Copyright (C) 2010, 2011, 2012 Mike Gerwitz
+#  Copyright (C) 2010, 2011, 2012, 2013 Mike Gerwitz
 #
 #  This file is part of GNU ease.js.
 #