Fix typo in session.subscribe algorithm.

SHA: 374e7ba
Reason: push, by jgraham

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

index.html

@@ -8,7 +8,7 @@
   <meta content="Bikeshed version ac5ea272d, updated Fri Dec 6 15:45:15 2024 -0800" name="generator">
   <link href="https://www.w3.org/TR/webdriver-bidi/" rel="canonical">
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-  <meta content="1f2b39e82e8cec71c35f720f3e8098f182ec6275" name="revision">
+  <meta content="374e7ba3c48cdf6319664663b616bdb7bd0fb383" name="revision">
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@@ -641,7 +641,7 @@
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    <p data-fill-with="logo"><a class="logo" href="https://www.w3.org/"> <img alt="W3C" height="48" src="https://www.w3.org/StyleSheets/TR/2021/logos/W3C" width="72"> </a> </p>
    <h1 class="p-name no-ref" id="title">WebDriver BiDi</h1>
-   <p id="w3c-state"><a href="https://www.w3.org/standards/types/#ED">Editor’s Draft</a>, <time class="dt-updated" datetime="2025-01-15">15 January 2025</time></p>
+   <p id="w3c-state"><a href="https://www.w3.org/standards/types/#ED">Editor’s Draft</a>, <time class="dt-updated" datetime="2025-01-16">16 January 2025</time></p>
    <details open>
     <summary>More details about this document</summary>
     <div data-fill-with="spec-metadata">
@@ -2388,7 +2388,7 @@ <h5 class="heading settled" data-level="7.1.3.4" id="command-session-subscribe">
       <p>For each entry <var>name</var> in <var>command parameters</var>["<code>events</code>"],
  let <var>event names</var> be the <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#set-union" id="ref-for-set-union">union</a> of <var>event names</var> and the result of <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-try" id="ref-for-dfn-try②">trying</a> to <a data-link-type="dfn" href="#obtain-a-set-of-event-names" id="ref-for-obtain-a-set-of-event-names">obtain a set of event names</a> with <var>name</var>.</p>
      <li data-md>
-      <p>Let <var>input user context ids</var> be <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#set-create" id="ref-for-set-create">create a set</a> with <var>command parameters</var>[<code>contexts</code>].</p>
+      <p>Let <var>input user context ids</var> be <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#set-create" id="ref-for-set-create">create a set</a> with <var>command parameters</var>[<code>userContexts</code>].</p>
      <li data-md>
       <p>Let <var>input context ids</var> be <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#set-create" id="ref-for-set-create①">create a set</a> with <var>command parameters</var>[<code>contexts</code>].</p>
      <li data-md>