diff --git a/doc/src/sgml/ref/create_index.sgml b/doc/src/sgml/ref/create_index.sgml
index f4196839b2..5bc93a180e 100644
--- 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