diff --git a/docs/glossary.rst b/docs/glossary.rst
index aeeb133..e5d379c 100644
--- a/docs/glossary.rst
+++ b/docs/glossary.rst
@@ -40,6 +40,18 @@
       Common Vulnerabilities and Exposures. A CVE document is commonly used to
       describe a publicly-known security vulnerability.
 
+   DCE
+      DRTM Configuration Environment
+
+   D-CRTM
+      Dynamic Code Root of Trust for Measurement
+
+   DLME
+      Dynamically Launched Measured Environment
+
+   DRTM
+      Dynamic Root of Trust for Measurement
+
    DS-5
       Arm Development Studio 5
 
@@ -186,6 +198,9 @@
    TBBR
       Trusted Board Boot Requirements
 
+   TCB
+      Trusted Compute Base
+
    TEE
       Trusted Execution Environment