diff --git a/litecord/guild_memory_store.py b/litecord/guild_memory_store.py
index f092f19..a2e3457 100644
--- a/litecord/guild_memory_store.py
+++ b/litecord/guild_memory_store.py
@@ -1,3 +1,21 @@
+"""
+
+Litecord
+Copyright (C) 2018-2019  Luna Mendes
+
+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, version 3 of the License.
+
+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, see <http://www.gnu.org/licenses/>.
+
+"""
 
 class GuildMemoryStore:
     """Store in-memory properties about guilds.