diff --git a/10_snapper-post.hook b/10_snapper-post.hook
index 7738c89..e330177 100644
--- a/10_snapper-post.hook
+++ b/10_snapper-post.hook
@@ -1,3 +1,20 @@
+# snap-pac
+# Copyright (C) 2016 James W. Barnett
+
+# This program 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 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
+# 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 this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
 [Trigger]
 Operation = Upgrade
 Operation = Install
diff --git a/10_snapper-pre.hook b/10_snapper-pre.hook
index e5b2a71..c4aa390 100644
--- a/10_snapper-pre.hook
+++ b/10_snapper-pre.hook
@@ -1,3 +1,20 @@
+# snap-pac
+# Copyright (C) 2016 James W. Barnett
+
+# This program 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 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
+# 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 this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
 [Trigger]
 Operation = Upgrade
 Operation = Install
diff --git a/99_grub-config.hook b/99_grub-config.hook
index 8a460ab..1be6308 100644
--- a/99_grub-config.hook
+++ b/99_grub-config.hook
@@ -1,3 +1,20 @@
+# snap-pac
+# Copyright (C) 2016 James W. Barnett
+
+# This program 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 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
+# 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 this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
 [Trigger]
 Operation = Upgrade
 Operation = Install
diff --git a/README.md b/README.md
index b4dd69e..5a3f3ca 100644
--- a/README.md
+++ b/README.md
@@ -117,3 +117,22 @@ And `nano` is now gone, along with all the files it changed:
 * `man alpm-hooks`
 * `man snapper`
 * `man btrfs`
+
+## License
+
+snap-pac
+Copyright (C) 2016 James W. Barnett
+
+This program 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 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
+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 this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
diff --git a/snapper-pac-grub b/snapper-pac-grub
index 1aa3170..1278d38 100755
--- a/snapper-pac-grub
+++ b/snapper-pac-grub
@@ -1,2 +1,20 @@
 #!/bin/bash
+
+# snap-pac
+# Copyright (C) 2016 James W. Barnett
+
+# This program 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 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
+# 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 this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
 /usr/bin/grub-mkconfig -o /boot/grub/grub.cfg 2> /dev/null
diff --git a/snapper-pac-post b/snapper-pac-post
index 87ac4ee..479bec0 100755
--- a/snapper-pac-post
+++ b/snapper-pac-post
@@ -1,5 +1,23 @@
 #!/bin/bash
 
+# snap-pac
+# Copyright (C) 2016 James W. Barnett
+
+# This program 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 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
+# 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 this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+
 PACMAN_CMD=$(ps -C pacman -o args=)
 PREFILE=/etc/snapper/.snap-pac-pre
 if [ -f $PREFILE ]; then
diff --git a/snapper-pac-pre b/snapper-pac-pre
index c791fc5..8dc4c58 100755
--- a/snapper-pac-pre
+++ b/snapper-pac-pre
@@ -1,4 +1,22 @@
 #!/bin/bash
 
+# snap-pac
+# Copyright (C) 2016 James W. Barnett
+
+# This program 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 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
+# 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 this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+
 PACMAN_CMD=$(ps -C pacman -o args=)
 snapper --config root create --type pre --cleanup-algorithm number --print-number --description "$PACMAN_CMD" > /etc/snapper/.snap-pac-pre