diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml
index aaf55df921..a678a69dfb 100644
--- a/doc/src/sgml/ref/psql-ref.sgml
+++ b/doc/src/sgml/ref/psql-ref.sgml
@@ -1928,15 +1928,15 @@ testdb=>
         is specified, only those extended statistics whose names match the
         pattern are listed.
         If <literal>+</literal> is appended to the command name, each extended
-        statistics is listed with its size.
+        statistic is listed with its size.
         </para>
 
         <para>
-        The column of the kind of extended stats (e.g. Ndistinct) shows some statuses.
+        The column of the kind of extended stats (e.g. Ndistinct) shows its status.
         "requested" means that it needs to collect statistics by <link
         linkend="sql-analyze"><command>ANALYZE</command></link>. 
         "built" means <link linkend="sql-analyze"><command>ANALYZE</command></link> was 
-        finished, and the planner can use it. NULL means that it doesn't exists. 
+        run, and statistics are available to the planner. NULL means that it doesn't exist. 
         </para>
         </listitem>
       </varlistentry>