diff --git a/docs/components/ffa-manifest-binding.rst b/docs/components/ffa-manifest-binding.rst
index 9e3919d..437df67 100644
--- a/docs/components/ffa-manifest-binding.rst
+++ b/docs/components/ffa-manifest-binding.rst
@@ -106,14 +106,14 @@
      The "compatible" must be the string "arm,ffa-manifest-rx_tx-buffer".
 
 - messaging-method [mandatory]
-   - value type: <u32>
-   - Specifies which messaging methods are supported by the partition:
+   - value type: <u8>
+   - Specifies which messaging methods are supported by the partition, set bit
+     means the feature is supported, clear bit - not supported:
 
-      - 0x0: direct messaging method
-      - 0x1: indirect messaging method
-      - 0x2: both direct and indirect messaging methods
-      - 0x3: direct messaging method with managed exit support
-      - 0x4: both messaging methods with managed exit support
+      - Bit[0]: support for receiving direct message requests
+      - Bit[1]: support for sending direct messages
+      - Bit[2]: support for indirect messaging
+      - Bit[3]: support for managed exit
 
 - has-primary-scheduler
    - value type: <empty>
diff --git a/plat/arm/board/fvp/fdts/optee_sp_manifest.dts b/plat/arm/board/fvp/fdts/optee_sp_manifest.dts
index 928d0d3..07235b0 100644
--- a/plat/arm/board/fvp/fdts/optee_sp_manifest.dts
+++ b/plat/arm/board/fvp/fdts/optee_sp_manifest.dts
@@ -25,7 +25,7 @@
 	entrypoint-offset = <0x1000>;
 	xlat-granule = <0>; /* 4KiB */
 	boot-order = <0>;
-	messaging-method = <0>; /* Direct messaging only */
+	messaging-method = <3>; /* Direct messaging only */
 	run-time-model = <1>; /* Run to completion */
 
 	/* Boot protocol */