diff --git a/reference/json/functions/json-last-error.xml b/reference/json/functions/json-last-error.xml
index ead9a9fb2ae4..c01869037e66 100644
--- a/reference/json/functions/json-last-error.xml
+++ b/reference/json/functions/json-last-error.xml
@@ -102,14 +102,35 @@
      </row>
      <row>
       <entry><constant>JSON_ERROR_NON_BACKED_ENUM</constant></entry>
-      <entry>Value contains a non-backed enum which cannot be serialized. Available as of PHP 8.1.0.</entry>
-      <entry></entry>
+      <entry>Value contains a non-backed enum which cannot be serialized</entry>
      </row>
     </tbody>
    </tgroup>
   </table>
  </refsect1>
 
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <informaltable>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>&Version;</entry>
+      <entry>&Description;</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>8.1.0</entry>
+      <entry>
+       <constant>JSON_ERROR_NON_BACKED_ENUM</constant> was added.
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
+ </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>