Fix AudioBuffer constructor nits

index.bs

@@ -3116,19 +3116,17 @@ Constructors</h4>
         <div algorithm="new AudioBuffer()">
             1. <span class="synchronous">If any of the values in {{AudioBuffer/constructor()/options!!argument}} lie outside its nominal range, throw a {{NotSupportedError}} exception and abort the following steps.</span>
 
-            1. Let <var>b</var> be a new {{AudioBuffer}} object.
-            1. Respectively assign the values of the attributes
+            1. Respectively assign the values of the members
                 {{AudioBufferOptions/numberOfChannels}}, {{AudioBufferOptions/length}},
-                {{AudioBufferOptions/sampleRate}} of the {{AudioBufferOptions}} passed
-                in the constructor to the internal slots {{[[number of channels]]}}, {{[[length]]}}, {{[[sample rate]]}}.
+                {{AudioBufferOptions/sampleRate}} of {{AudioBuffer/constructor()/options!!argument}}
+                to [=this=]'s internal slots {{[[number of channels]]}}, {{[[length]]}}, {{[[sample rate]]}}.
 
-            1. Set the internal slot {{[[internal data]]}} of this
-                {{AudioBuffer}} to the result of calling <code><a href="https://tc39.github.io/ecma262/#sec-createbytedatablock">
-                CreateByteDataBlock</a>({{[[length]]}} * {{[[number of channels]]}})</code>.
+            1. Set [=this=]'s {{[[internal data]]}} to the result of calling
+                <code><a href="https://tc39.es/ecma262/#sec-createbytedatablock">
+                CreateByteDataBlock</a>({{[[length]]}} * {{[[number of channels]]}} * 4)</code>.
 
-                Note: This initializes the underlying storage to zero.
-
-            1. Return <var>b</var>.
+                Note: This initializes the underlying storage to zero. Each
+                sample is a 32-bit float, i.e. 4 bytes.
         </div>
         <pre class=argumentdef for="AudioBuffer/constructor()">
         options: An {{AudioBufferOptions}} that determine the properties for this {{AudioBuffer}}.