diff --git a/COPYING b/COPYING
index 0ed4056..f93c1b2 100644
--- a/COPYING
+++ b/COPYING
@@ -1,36 +1,5 @@
-All files except esv.d are licensed under the
-GNU General Public License, version 3.
-
-The file esv.d is licensed under the
-BSD 3-Clause License, which is as follows:
-
-The BSD 3-Clause License (BSD3)
-
-Copyright (c) 2023 Jeremy Baxter. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-1. Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright
-notice, this list of conditions and the following disclaimer in the
-documentation and/or other materials provided with the distribution.
-3. Neither the name of the copyright holder the nor the
-names of its contributors may be used to endorse or promote products
-derived from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ''AS IS'' AND ANY
-EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-The GNU General Public License is as follows:
+This software is licensed under the GNU General Public License, version 2.
+The license is as follows:
 
                     GNU GENERAL PUBLIC LICENSE
                        Version 2, June 1991
diff --git a/Makefile b/Makefile
index 5be1678..0d9e3b9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,18 @@
-### If you fail to build, run 'make deps'! ###
+# The GPLv2 License (GPLv2)
+# Copyright (c) 2023 Jeremy Baxter
+# 
+# esv 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.
+# 
+# esv 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 esv.  If not, see <http://www.gnu.org/licenses/>.
 
 PROG      = esv
 IMPORT    = import
diff --git a/README.md b/README.md
index dafb069..c419413 100644
--- a/README.md
+++ b/README.md
@@ -66,12 +66,12 @@ All documentation is contained in the manual pages. To access them, you can run
 
 ## Copying
 
-Copying, modifying and redistributing all files part of this software except esv.d is permitted
-as long as your changed conform to the GNU General Public License version 2.
+Copying, modifying and redistributing this software is permitted
+as long as your modified version conforms to the GNU General Public License version 2.
 
-The file esv.d is a reusable library. It is covered under the BSD 3-Clause License.
+The file esv.d is a reusable library.
 
-In both cases, the licenses are contained in the file COPYING.
+The license is contained in the file COPYING.
 
 This software uses a modified version of a library named "dini". This is released under
 the Boost Software License version 1.0, which can be found in import/dini/LICENSE.
diff --git a/esv.d b/esv.d
index 13bdca1..4fc6a86 100644
--- a/esv.d
+++ b/esv.d
@@ -1,32 +1,21 @@
 /*
  * esv.d: a reusable interface to the ESV HTTP API
- * licensed under the BSD 3-Clause License:
  *
- * The BSD 3-Clause License (BSD3)
- *
- * Copyright (c) 2023 Jeremy Baxter. All rights reserved.
+ * The GPLv2 License (GPLv2)
+ * Copyright (c) 2023 Jeremy Baxter
  * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holder the nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * esv 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 SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ''AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * esv 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 esv.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 import std.algorithm : filter, map;
diff --git a/main.d b/main.d
index d8f537a..9d6accb 100644
--- a/main.d
+++ b/main.d
@@ -4,18 +4,18 @@
  * The GPLv2 License (GPLv2)
  * Copyright (c) 2023 Jeremy Baxter
  * 
- * This program is free software: you can redistribute it and/or modify
+ * esv 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,
+ * esv 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/>.
+ * along with esv.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 import std.conv    : to, ConvException;