diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst
index a14200c..af2f797 100644
--- a/docs/getting_started/build-options.rst
+++ b/docs/getting_started/build-options.rst
@@ -250,6 +250,7 @@
    RMM_MAX_SIZE			,			,0x0			,"Maximum size for RMM image"
    MAX_CPUS			,			,16			,"Maximum number of CPUs supported by RMM"
    GRANULE_SHIFT		,			,12			,"Granule Shift used by RMM"
+   RMM_CCA_TOKEN_BUFFER		,			,1			,"Number of pages to allocate in Aux granules for Realm CCA token"
    RMM_DOCS			,ON | OFF		,OFF			,"RMM Documentation build"
    CMAKE_BUILD_TYPE		,Debug | Release	,Release		,"CMake Build type"
    CMAKE_CONFIGURATION_TYPES	,Debug & Release	,Debug & Release	,"Multi-generator configuration types"