--- config.sgml 2024-01-05 10:43:17.776276803 +0100
+++ config.sgml.fixed   2024-01-08 17:35:54.202968175 +0100
@@ -4179,7 +4179,7 @@
      </varlistentry>

      <varlistentry id="guc-wal-summary-keep-time" xreflabel="wal_summary_keep_time">
-      <term><varname>wal_summary_keep_time</varname> (<type>boolean</type>)
+      <term><varname>wal_summary_keep_time</varname> (<type>integer</type>)
       <indexterm>
        <primary><varname>wal_summary_keep_time</varname> configuration parameter</primary>
       </indexterm>