-The bulk of the library is Copyright 2004 Sun Microsystems, Inc.
-Portions are Copyright 2006 OmniTI, Inc.
+Refer to the git commit log for authoritative copyright attribution.
-The library is distributed under the terms of the CDDL.
-See the file OPENSOLARIS.LICENSE for more information.
+The original ZFS source code was obtained from Open Solaris which was
+released under the terms of the CDDL open source license. Additional
+changes have been included from OpenZFS and the Illumos project which
+are similarly licensed. These projects can be found on Github at:
+ * https://github.com/illumos/illumos-gate
+ * https://github.com/openzfs/openzfs
+
+Unless otherwise noted, all files in this distribution are released
+under the Common Development and Distribution License (CDDL).
+
+Exceptions are noted within the associated source files headers and
+by including a THIRDPARTYLICENSE file with the license terms. A few
+notable exceptions and their respective licenses include:
+
+ * Skein Checksum Implementation: module/icp/algs/skein/THIRDPARTYLICENSE
+ * AES Implementation: module/icp/asm-x86_64/aes/THIRDPARTYLICENSE.gladman
+ * AES Implementation: module/icp/asm-x86_64/aes/THIRDPARTYLICENSE.openssl
+ * PBKDF2 Implementation: lib/libzfs/THIRDPARTYLICENSE.openssl
+ * SPL Implementation: module/spl/THIRDPARTYLICENSE.gplv2
+
+This product includes software developed by the OpenSSL Project for use
+in the OpenSSL Toolkit (http://www.openssl.org/)
+
+See the LICENSE and NOTICE for more information.