diff --git a/src/target/lakemont.c b/src/target/lakemont.c
index 17b0c12ae..055d94340 100644
--- a/src/target/lakemont.c
+++ b/src/target/lakemont.c
@@ -8,8 +8,9 @@
  * Jeffrey Maxwell (jeffrey.r.maxwell@intel.com)
  *
  * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/src/target/lakemont.h b/src/target/lakemont.h
index e5729aee0..30b34b3f2 100644
--- a/src/target/lakemont.h
+++ b/src/target/lakemont.h
@@ -8,8 +8,9 @@
  * Jeffrey Maxwell (jeffrey.r.maxwell@intel.com)
  *
  * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/src/target/quark_x10xx.c b/src/target/quark_x10xx.c
index 05818b7c1..9a1ccb65d 100644
--- a/src/target/quark_x10xx.c
+++ b/src/target/quark_x10xx.c
@@ -8,8 +8,9 @@
  * Jeffrey Maxwell (jeffrey.r.maxwell@intel.com)
  *
  * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/src/target/x86_32_common.c b/src/target/x86_32_common.c
index 6bcd4aff2..3a26f71d1 100644
--- a/src/target/x86_32_common.c
+++ b/src/target/x86_32_common.c
@@ -8,8 +8,9 @@
  * Jeffrey Maxwell (jeffrey.r.maxwell@intel.com)
  *
  * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/src/target/x86_32_common.h b/src/target/x86_32_common.h
index 83973b84a..af57a5f7e 100644
--- a/src/target/x86_32_common.h
+++ b/src/target/x86_32_common.h
@@ -8,8 +8,9 @@
  * Jeffrey Maxwell (jeffrey.r.maxwell@intel.com)
  *
  * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of