diff --git a/docs/glossary.rst b/docs/glossary.rst
index 679de2b..c02e938 100644
--- a/docs/glossary.rst
+++ b/docs/glossary.rst
@@ -40,6 +40,9 @@
       Common Vulnerabilities and Exposures. A CVE document is commonly used to
       describe a publicly-known security vulnerability.
 
+   DICE
+      Device Identifier Composition Engine
+
    DCE
       DRTM Configuration Environment
 
@@ -52,6 +55,9 @@
    DRTM
       Dynamic Root of Trust for Measurement
 
+   DPE
+      DICE Protection Environment
+
    DS-5
       Arm Development Studio 5
 
diff --git a/docs/license.rst b/docs/license.rst
index 80f1118..8996105 100644
--- a/docs/license.rst
+++ b/docs/license.rst
@@ -85,6 +85,17 @@
 
    See the original `Linux MIT license`_.
 
+-  Some source files originating from the `Open Profile for DICE`_ project.
+   These files are licensed under the Apache License, Version 2.0, which is a
+   permissive license compatible with BSD-3-Clause. Any contributions to this
+   code must also be made under the terms of `Apache License 2.0`_.
+   These files are:
+
+   -  ``include/lib/dice/dice.h``
+
 .. _FreeBSD: http://www.freebsd.org
 .. _Linux MIT license: https://raw.githubusercontent.com/torvalds/linux/master/LICENSES/preferred/MIT
 .. _SCC: http://www.simple-cc.org/
+.. _Open Profile for DICE: https://pigweed.googlesource.com/open-dice/
+.. _Apache License 2.0: https://www.apache.org/licenses/LICENSE-2.0.txt
+