diff --git a/docs/05_03_delegate.dox b/docs/05_03_delegate.dox
index 49d6af3..78bc3ea 100644
--- a/docs/05_03_delegate.dox
+++ b/docs/05_03_delegate.dox
@@ -1,4 +1,4 @@
-/// Copyright (c) 2022 ARM Limited and Contributors. All rights reserved.
+/// Copyright (c) 2022-2023 ARM Limited and Contributors. All rights reserved.
 ///
 /// SPDX-License-Identifier: MIT
 ///
@@ -213,5 +213,15 @@
 
 The general list of runtime options are described in @subpage runtimeoptions
 
+@subsection opaquedelegateoptions Opaque Delegate Options
+
+In Opaque Delegate, delegate options are passed via ArmNNSettings which is a FlatBuffer of tflite::TFLiteSettings.
+
+Arm NN Settings | Possible Values | Description
+:--------------- ------------- | :----- | :----------
+backends | ["GpuAcc"/"CpuAcc"] | A comma separated list without whitespaces of backends which should be used for execution. Falls back to next backend in list if previous does not provide support for operation.
+fastmath | [true/false] | Allows the use of optimisation techniques e.g. Winograd that will reduce execution time with the possibility of a drop in accuracy.
+additional_parameters | JSON string of additional Arm NN delegate options | JSON string of additional Arm NN delegate options. The general list of runtime options are described in [Runtime options](\ref runtimeoptions).
+
 **/
 }
\ No newline at end of file