diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst
index fc45455..b702c34 100644
--- a/docs/getting_started/build-options.rst
+++ b/docs/getting_started/build-options.rst
@@ -387,6 +387,11 @@
    All log output up to and including the selected log level is compiled into
    the build. The default value is 40 in debug builds and 20 in release builds.
 
+-  ``MEASURED_BOOT``: Boolean flag to include support for the Measured Boot
+   feature. If this flag is enabled ``TRUSTED_BOARD_BOOT`` must be set.
+   This option defaults to 0 and is an experimental feature in the stage of
+   development.
+
 -  ``NON_TRUSTED_WORLD_KEY``: This option is used when ``GENERATE_COT=1``. It
    specifies the file that contains the Non-Trusted World private key in PEM
    format. If ``SAVE_KEYS=1``, this file name will be used to save the key.