Suricata

Hi while wondering about the Suricate license I stumbled upon some minor differences between the COPYING and LICENSE files. Aren't those supposed to be the same? Which one applies? What is the difference between them. This is the diff:
user@system:~/Downloads/suricata-2.0.8$ diff COPYING LICENSE
4,5c4,5
< Copyright (C) 1989, 1991 Free Software Foundation, Inc.
< 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
---

Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

18c18
< the GNU Library General Public License instead.) You can apply it to
---

the GNU Lesser General Public License instead.) You can apply it to

58c58
<

---

113c113
<

---

171c171
<

---

228c228
<

---

281c281
<

---

306,309c306,308
< 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
<
---

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.

339c338
< library. If this is what you want to do, use the GNU Library General
---

library. If this is what you want to do, use the GNU Lesser General