Fix typo

alvherre · alvherre · commit 89e0ee9a7bad · 2020-11-16T10:54:11.000-03:00
Introduced in 90fdc259866e; backpatch to 12. Author: Erik Rijkers <er@xs4all.nl> Discussion: https://postgr.es/m/e92b3fba98a0c0f7afc0a2a37e765954@xs4all.nl
diff --git a/doc/src/sgml/ref/create_index.sgml b/doc/src/sgml/ref/create_index.sgml
@@ -742,7 +742,7 @@ 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
