diff --git a/reference/json/functions/json-last-error.xml b/reference/json/functions/json-last-error.xml
index ead9a9fb2ae4..5d14b0438380 100644
--- a/reference/json/functions/json-last-error.xml
+++ b/reference/json/functions/json-last-error.xml
@@ -31,7 +31,7 @@
   </para>
   <table>
    <title>JSON error codes</title>
-   <tgroup cols="2">
+   <tgroup cols="3">
     <thead>
      <row>
       <entry>Constant</entry>
@@ -102,8 +102,8 @@
      </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>
+      <entry>Available as of PHP 8.1.0</entry>
      </row>
     </tbody>
    </tgroup>