doc: adjust expression index analyze working some more

This applies the fix bcbd771332 to skipped branches.

Reported-by: Erik Rijkers
Discussion: https://postgr.es/m/e92b3fba98a0c0f7afc0a2a37e765954@xs4all.nl

Backpatch-through: 9.5-11

diff --git a/doc/src/sgml/ref/create_index.sgml b/doc/src/sgml/ref/create_index.sgml
index 31657b3319bcb47002f5528a31c1a0ba141f0d60..93e7ceaf6263655c6927a7a9c7cfa8fe0a2bf6a9 100644 (file)
--- a/doc/src/sgml/ref/create_index.sgml
+++ b/doc/src/sgml/ref/create_index.sgml
@@ -569,7 +569,7 @@ 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