diff --git a/doc/src/sgml/ref/create_index.sgml b/doc/src/sgml/ref/create_index.sgml
index 844f00904b..29dee5689e 100644
--- a/doc/src/sgml/ref/create_index.sgml
+++ b/doc/src/sgml/ref/create_index.sgml
@@ -746,13 +746,13 @@ Indexes:
   </para>
 
   <para>
-   The regularly system collects statistics on all of a table's
+   The system regularly collects statistics on all of a table's
    columns.  Newly-created non-expression indexes can immediately
    use these statistics to determine an index's usefulness.
    For new expression indexes, it is necessary to run <link
    linkend="sql-analyze"><command>ANALYZE</command></link> or wait for
    the <link linkend="autovacuum">autovacuum daemon</link> to analyze
-   the table to generate statistics about new expression indexes.
+   the table to generate statistics for these indexes.
   </para>
 
   <para>