[css-viewport] Fix bikeshed errors so the spec can be generated. (#10546)

Author: darktears

css-viewport/Overview.bs

@@ -346,7 +346,7 @@ only the value previously set to it.
 
 <div class="note">
 	That is, unless previously set, <code>VirtualKeyboard.overlaysContent</code> returns false
-	even if <code>interactive-widget=overlays-content</code> is set via the <code>&ltmeta&gt</code>
+	even if <code>interactive-widget=overlays-content</code> is set via the <code>&lt;meta&gt;</code>
 	tag.
 </div>