diff --git a/source b/source
index 60fae684f46..5cb765c8bdf 100644
--- a/source
+++ b/source
@@ -3619,7 +3619,7 @@ a.setAttribute('href', 'http://example.com/'); // change the content attribute d
     <ul class="brief">
      <li><dfn data-noexport="" data-x-href="https://drafts.fxtf.org/geometry/#dommatrix"><code>DOMMatrix</code></dfn> interface
      <li><dfn data-noexport="" data-x-href="https://drafts.fxtf.org/geometry/#dictdef-dommatrixinit"><code>DOMMatrixInit</code></dfn> interface
-     <li>The <dfn data-noexport="" data-x-href="https://drafts.fxtf.org/geometry/#validate-and-fixup">validate and fixup</dfn> algorithm for DOMMatrixInit
+     <li>The <dfn data-noexport="" data-x-href="https://drafts.fxtf.org/geometry/#create-a-dommatrix-from-the-dictionary">create a <code>DOMMatrix</code> from a dictionary</dfn> algorithm for <code>DOMMatrixInit</code>
     </ul>
 
     <!-- mention that the parser supports it? -->
@@ -60127,7 +60127,7 @@ interface <dfn>CanvasTransform</dfn> {
 
   [NewObject] <span>DOMMatrix</span> <span data-x="dom-context-2d-getTransform">getTransform</span>();
   void <span data-x="dom-context-2d-setTransform">setTransform</span>(unrestricted double a, unrestricted double b, unrestricted double c, unrestricted double d, unrestricted double e, unrestricted double f);
-  void <span data-x="dom-context-2d-setTransform">setTransform</span>(optional <span>DOMMatrixInit</span> matrix);
+  void <span data-x="dom-context-2d-setTransform">setTransform</span>(optional <span>DOMMatrixInit</span> transform);
   void <span data-x="dom-context-2d-resetTransform">resetTransform</span>();
 <!--
   // v7 we've also received requests (though not many so far) for:
@@ -60302,7 +60302,7 @@ interface <dfn>CanvasGradient</dfn> {
 
 interface <dfn>CanvasPattern</dfn> {
   // opaque object
-  void <span data-x="dom-canvaspattern-setTransform">setTransform</span>(<span>DOMMatrix</span> transform);
+  void <span data-x="dom-canvaspattern-setTransform">setTransform</span>(optional <span>DOMMatrixInit</span> transform);
 };
 
 interface <dfn>TextMetrics</dfn> {
@@ -60351,7 +60351,7 @@ interface <dfn>ImageData</dfn> {
  <span data-x="dom-Path2D-merge">Constructor</span>(sequence&lt;<span>Path2D</span>&gt; paths, optional <span>CanvasFillRule</span> fillRule = "<span data-x="dom-context-2d-fillRule-nonzero">nonzero</span>"),
  <span data-x="dom-Path2D-withdata">Constructor</span>(DOMString d), Exposed=(Window,Worker)]
 interface <dfn>Path2D</dfn> {
-  void <span data-x="dom-Path2D-addPath">addPath</span>(<span>Path2D</span> path, optional <span>DOMMatrix</span>? transformation = null);
+  void <span data-x="dom-Path2D-addPath">addPath</span>(<span>Path2D</span> path, optional <span>DOMMatrixInit</span> transform);
 };
 <span>Path2D</span> implements <span>CanvasPath</span>;</pre>
 
@@ -62444,8 +62444,12 @@ try {
 
    <li><p>Create a copy of all the subpaths in <var>b</var>. Let this copy be known as <var>c</var>.</p></li>
 
+   <li><p>Let <var>matrix</var> be the result of <span data-x="create a DOMMatrix from a
+   dictionary">creating a <code>DOMMatrix</code> from a dictionary</span>
+   <var>transform</var>.</p></li>
+
    <li><p>Transform all the coordinates and lines in <var>c</var> by the transform matrix
-   <var>transform</var>, if it is not null.</p></li>
+   <var>matrix</var>.</p></li>
 
    <li><p>Let (<var>x</var>, <var>y</var>) be the last point in the last subpath
    of <var>c</var>.</p></li>
@@ -62541,7 +62545,7 @@ try {
 
    </dd>
 
-   <dt><var>context</var> . <code data-x="dom-context-2d-setTransform">setTransform</code>(<var>matrix</var>)</dt>
+   <dt><var>context</var> . <code data-x="dom-context-2d-setTransform">setTransform</code>(<var>transform</var>)</dt>
 
    <dd>
 
@@ -62628,9 +62632,10 @@ try {
   data-x=""><span data-x="dom-context-2d-transform">transform</span>(<var>a</var>, <var>b</var>,
   <var>c</var>, <var>d</var>, <var>e</var>, <var>f</var>)</code> method with the same arguments.</p>
 
-  <p>The <dfn><code data-x="">setTransform(<var>matrix</var>)</code></dfn> method must
+  <p>The <dfn><code data-x="">setTransform(<var>transform</var>)</code></dfn> method must
   reset the <span>current transformation matrix</span> to the value represented by the result of
-  running the <span>validate and fixup</span> algorithm on <var>matrix</var>.</p>
+  <span data-x="create a DOMMatrix from a dictionary">creating a <code>DOMMatrix</code> from a
+  dictionary</span> <var>transform</var>.</p>
 
   <p>The <dfn><code data-x="dom-context-2d-resetTransform">resetTransform()</code></dfn> method must
   reset the <span>current transformation matrix</span> to the identity matrix.</p>
@@ -63071,9 +63076,11 @@ try {
   <p>Patterns have a transformation matrix, which controls how the pattern is used when it is
   painted. Initially, a pattern's transformation matrix must be the identity transform.</p>
 
-  <p>When the <dfn><code data-x="dom-canvaspattern-setTransform">setTransform()</code></dfn> method
-  is invoked on the pattern, the user agent must replace the pattern's transformation matrix with
-  the one described by the <code>DOMMatrix</code> object provided as an argument to the method.</p>
+  <p>The <dfn><code
+  data-x="dom-canvaspattern-setTransform">setTransform(<var>transform</var>)</code></dfn> method,
+  when invoked, must reset the pattern's transformation matrix to the value represented by the
+  result of <span data-x="create a DOMMatrix from a dictionary">creating a <code>DOMMatrix</code>
+  from a dictionary</span> <var>transform</var>.</p>
 
   <p>When a pattern is to be rendered within an area, the user agent must run the following steps to
   determine what is rendered:</p>