Update list of known caveats (#1636)

Author: queengooborg

views/index.ejs

@@ -71,10 +71,10 @@ See the LICENSE file for copyright details
   <ul>
     <li>Detection for features under prefixes are not yet supported</li>
     <li>Detection for features under alternative names are not yet supported</li>
-    <li>In older browsers, some attributes aren't initialized in the API prototypes, resulting in false negatives</li>
-    <li>Some APIs are accessed through other APIs and aren't exposed on their own; custom tests have not been written for them all</li>
     <li>Some browser extensions, such as password managers, may cause compatibility conflicts</li>
     <li>CSS property value detection may produce false positives for certain properties</li>
+    <li>Many tests for SVG attributes are improper due to not having API counterparts, resulting in no support reported</li>
+    <li>Tests for MathML element attributes are not yet implemented</li>
   </ul>
 
   <p id="known-caveats-file-issue">If you find any errors in feature detection, please <a href="https://github.com/openwebdocs/mdn-bcd-collector/issues/new"><span class="mdi mdi-alert-circle-outline"></span> file an issue</a> in the GitHub repository.</p>