diff --git a/index.bs b/index.bs
index 53acd0b6..4f4be8c2 100644
--- a/index.bs
+++ b/index.bs
@@ -474,6 +474,31 @@ interface ML {
};
+The {{ML/createContext()}} method steps are:
+1. If the [=responsible document=] is not [=allowed to use=] the [=webnn-feature|webnn=] feature, then throw a "{{SecurityError!!exception}}" {{DOMException}} and abort these steps.
+1. Let |context| be a new {{MLContext}} object.
+1. Switch on the method's first argument:
+
+ - {{MLContextOptions}}
+
- Set |context|'s [=context type=] to [=default-context|default=].
+
+
- {{WebGLRenderingContext}}
+
- Set |context|'s [=context type=] to [=webgl-context|webgl=].
+
+
- {{GPUDevice}}
+
- Set |context|'s [=context type=] to [=webgpu-context|webgpu=].
+
+
- Otherwise
+
- Set |context|'s [=context type=] to [=default-context|default=].
+
+1. Return |context|.
+
+### Permissions Policy Integration ### {#permissions-policy-integration}
+
+This specification defines a policy-controlled feature identified by the
+string "webnn".
+Its default allowlist is 'self'.
+
## MLContext ## {#api-mlcontext}
The {{MLContext}} interface represents a global state of neural network compute workload and execution processes.
+The context type for an {{MLContext}} is either "default", "webgl" or "webgpu".
+
## MLOperandDescriptor ## {#api-mloperanddescriptor}