diff --git a/LICENSE b/COPYING
similarity index 100%
rename from LICENSE
rename to COPYING
diff --git a/src/download.c b/src/download.c
index bbabd31..6cc2959 100644
--- a/src/download.c
+++ b/src/download.c
@@ -1,3 +1,23 @@
+/*
+ * Copyright 2021 Justin Reichardt
+ *
+ * This file is part of rhosts.
+ *
+ * rhosts 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Foobar 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 rhosts.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+
 #ifndef DOWNLOAD_HEADER
 #include "download.h"
 #endif
diff --git a/src/download.h b/src/download.h
index 8e423af..9dab9c2 100644
--- a/src/download.h
+++ b/src/download.h
@@ -1,3 +1,23 @@
+/*
+ * Copyright 2021 Justin Reichardt
+ *
+ * This file is part of rhosts.
+ *
+ * rhosts 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Foobar 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 rhosts.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+
 #ifndef RHOSTS_HEADER
 #include "rhosts.h"
 #endif
diff --git a/src/rhosts.c b/src/rhosts.c
index be091df..74a367e 100644
--- a/src/rhosts.c
+++ b/src/rhosts.c
@@ -1,3 +1,23 @@
+/*
+ * Copyright 2021 Justin Reichardt
+ *
+ * This file is part of rhosts.
+ *
+ * rhosts 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Foobar 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 rhosts.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+
 /* rhosts - Program used to maintain a blocklist within a hostfile */
 #ifndef RHOSTS_HEADER
 #include "rhosts.h"
diff --git a/src/rhosts.h b/src/rhosts.h
index 0a3e8ba..310c383 100644
--- a/src/rhosts.h
+++ b/src/rhosts.h
@@ -1,3 +1,22 @@
+/*
+ * Copyright 2021 Justin Reichardt
+ *
+ * This file is part of rhosts.
+ *
+ * rhosts 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Foobar 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 rhosts.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 
 #ifndef RHOSTS_HEADER
 #define RHOSTS_HEADER