diff --git a/README b/README
index 30f3e0a616..8fe3674f80 100644
--- a/README
+++ b/README
@@ -35,8 +35,9 @@ versions 4 and 8. Internet Systems Consortium (https://www.isc.org), a 501
 (c)(3) public benefit corporation dedicated to providing software and
 services in support of the Internet infrastructure, developed BIND 9 and
 is responsible for its ongoing maintenance and improvement. BIND is open
-source software licenced under the terms of the Mozilla Public License,
-version 2.0.
+source software licenced under the terms of the ISC License for all
+versions up to and including BIND 9.10, and the Mozilla Public License
+version 2.0 for all subsequent verisons.
 
 For a summary of features introduced in past major releases of BIND, see
 the file HISTORY.
diff --git a/README.md b/README.md
index bf3be2545e..f6d20659fe 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,9 @@ versions 4 and 8.  Internet Systems Consortium
 corporation dedicated to providing software and services in support of the
 Internet infrastructure, developed BIND 9 and is responsible for its
 ongoing maintenance and improvement.  BIND is open source software
-licenced under the terms of the Mozilla Public License, version 2.0.
+licenced under the terms of the ISC License for all versions up to and
+including BIND 9.10, and the Mozilla Public License version 2.0 for all
+subsequent verisons.
 
 For a summary of features introduced in past major releases of BIND,
 see the file [HISTORY](HISTORY.md).