diff --git a/README b/README
index 4fb3bc16dc..8beb62dc1b 100644
--- a/README
+++ b/README
@@ -37,7 +37,7 @@ in 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,
+source software licensed under the terms of the Mozilla Public License,
 version 2.0.
 
 For a summary of features introduced in past major releases of BIND, see
diff --git a/README.md b/README.md
index 35454173e2..6958ba110f 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ used in 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.
+licensed under the terms of the Mozilla Public License, version 2.0.
 
 For a summary of features introduced in past major releases of BIND,
 see the file [HISTORY](HISTORY.md).
diff --git a/doc/arm/notes.xml b/doc/arm/notes.xml
index 7bd9f03915..8d09e12986 100644
--- a/doc/arm/notes.xml
+++ b/doc/arm/notes.xml
@@ -244,7 +244,7 @@
 
   <section xml:id="relnotes_license"><info><title>License</title></info>
     <para>
-      BIND is open source software licenced under the terms of the Mozilla
+      BIND is open source software licensed under the terms of the Mozilla
       Public License, version 2.0 (see the <filename>LICENSE</filename>
       file for the full text).
     </para>