diff --git a/doc/arch/arm64.ffa.rst b/doc/arch/arm64.ffa.rst
index 7928983..7160637 100644
--- a/doc/arch/arm64.ffa.rst
+++ b/doc/arch/arm64.ffa.rst
@@ -37,6 +37,7 @@
   FF-A ABIs inspection methods.
 - An FF-A sandbox device driver for FF-A communication with the emulated Secure World.
   The driver leverages the FF-A Uclass to establish FF-A communication.
+- Sandbox FF-A test cases.
 
 FF-A and SMC specifications
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