Use full names of HDR image item properties

SHA: 486d3ff
Reason: push, by wantehchang

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

index.html

@@ -1490,7 +1490,7 @@
 </style>
   <meta content="Bikeshed version 82ce88815, updated Thu Sep 7 16:33:55 2023 -0700" name="generator">
   <link href="https://AOMediaCodec.github.io/av1-avif" rel="canonical">
-  <meta content="aa77c7076ead0b6c947d864d956b7480e8040cab" name="document-revision">
+  <meta content="486d3ff5ab0e2ea47abb582641f74a66a56c1221" name="document-revision">
 <style>/* Boilerplate: style-autolinks */
 .css.css, .property.property, .descriptor.descriptor {
     color: var(--a-normal-text);
@@ -3258,23 +3258,23 @@ <h4 class="heading settled" data-level="9.1.2" id="avif-required-boxes-additiona
       <td><a data-link-type="dfn" href="https://www.iso.org/standard/68960.html" id="ref-for-something②③⑦">clli</a>
       <td>-
       <td><a data-link-type="biblio" href="#biblio-isobmff" title="Information technology — Coding of audio-visual objects — Part 12: ISO base media file format">[ISOBMFF]</a>
-      <td>Used to signal HDR light level information for an image
+      <td>Used to signal HDR content light level information for an image
      <tr>
       <td>
       <td>
       <td>
       <td><a data-link-type="dfn" href="https://www.iso.org/standard/68960.html" id="ref-for-something②③⑧">cclv</a>
       <td>-
       <td><a data-link-type="biblio" href="#biblio-isobmff" title="Information technology — Coding of audio-visual objects — Part 12: ISO base media file format">[ISOBMFF]</a>
-      <td>Used to signal HDR color volume for an image
+      <td>Used to signal HDR content color volume for an image
      <tr>
       <td>
       <td>
       <td>
       <td><a data-link-type="dfn" href="https://www.iso.org/standard/68960.html" id="ref-for-something②③⑨">mdcv</a>
       <td>-
       <td><a data-link-type="biblio" href="#biblio-isobmff" title="Information technology — Coding of audio-visual objects — Part 12: ISO base media file format">[ISOBMFF]</a>
-      <td>Used to signal HDR mastering information for an image
+      <td>Used to signal HDR mastering display color volume for an image
      <tr>
       <td>
       <td>