diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 0bfd6151c4..67fbd9660b 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -3592,7 +3592,7 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS pid,
      <entry><structfield>ext_stats_computed</structfield></entry>
      <entry><type>bigint</type></entry>
      <entry>
-       Number of computed extended statistics computed.  This counter only advances when
+       Number of extended statistics computed.  This counter only advances when
        the phase is <literal>computing extended statistics</literal>.
      </entry>
     </row>
@@ -3615,7 +3615,7 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS pid,
      <entry><structfield>current_child_table_relid</structfield></entry>
      <entry><type>oid</type></entry>
      <entry>OID of the child table currently being scanned. This field is only valid when
-       the phase is <literal>computing extended statistics</literal>.
+       the phase is <literal>acquiring inherited sample rows</literal>.
      </entry>
     </row>
    </tbody>
@@ -3667,7 +3667,7 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS pid,
      <entry><literal>computing extended statistics</literal></entry>
      <entry>
        The command is computing extended statistics from the samples rows obtained
-       durring the table scan.
+       during the table scan.
      </entry>
     </row>
     <row>