Meta: fix some definition markup

Author: dontcallmedom

source

@@ -62129,7 +62129,7 @@ typedef (<span>HTMLOrSVGImageElement</span> or
          <span>HTMLCanvasElement</span> or
          <span>ImageBitmap</span> or
          <span>OffscreenCanvas</span> or
-         <span>VideoFrame</span>) <dfn>CanvasImageSource</dfn>;
+         <span>VideoFrame</span>) <dfn typedef>CanvasImageSource</dfn>;
 
 enum <dfn enum>PredefinedColorSpace</dfn> { "<span data-x="dom-PredefinedColorSpace-srgb">srgb</span>", "<span data-x="dom-PredefinedColorSpace-display-p3">display-p3</span>" };
 
@@ -66467,7 +66467,7 @@ try {
   <h6>Drawing images</h6>
 
   <p>Objects that implement the <code>CanvasDrawImage</code> interface have the <dfn method
-  for="CanvasDrawImage"><code data-x="dom-context-2d-drawImage">drawImage</code></dfn> method to
+  for="CanvasDrawImage"><code data-x="dom-context-2d-drawImage">drawImage()</code></dfn> method to
   draw images.</p>
 
   <div w-nodev>