diff --git a/index.bs b/index.bs
index d171a1232..1d403ed78 100644
--- a/index.bs
+++ b/index.bs
@@ -1677,11 +1677,13 @@ Constructors
named {{AudioContext/error}} at the {{AudioContext}},
and abort the following steps.
- 1. Attempt to [=acquire system resources=] to use a following audio output device
+ 1. Attempt to [=acquire system resources=] to use the following output target
based on {{AudioContext/[[sink ID at construction]]}} for rendering:
* The default audio output device for the empty string.
* An audio output device identified by {{AudioContext/[[sink ID at construction]]}}.
+ * No audio output device for an {{AudioSinkInfo}} whose
+ {{AudioSinkInfo/type}} is "{{AudioSinkType/none}}".
1. If resource acquisition fails, [=queue a media element
task=] to [=fire an event=] named
@@ -2275,13 +2277,15 @@ Methods
associated {{AudioContext}}.
1. Attempt to acquire system resources to use
- a following audio output device based on {{AudioContext/[[sink ID]]}}
+ the following output target based on |sinkId|
for rendering:
* The default audio output device for the empty string.
- * A audio output device identified by {{AudioContext/[[sink ID]]}}.
+ * An audio output device identified by |sinkId|.
+ * No audio output device for an {{AudioSinkOptions}} whose
+ {{AudioSinkOptions/type}} is "{{AudioSinkType/none}}".
- In case of failure, reject |p| with "{{InvalidAccessError}}" abort
+ In case of failure, reject |p| with "{{InvalidAccessError}}" and abort
the following steps.
1.