This one seems to have fallen by the wayside.
Erik
--- doc/src/sgml/ref/create_index.sgml.orig 2020-11-16 13:04:29.923760413 +0100
+++ doc/src/sgml/ref/create_index.sgml 2020-11-16 13:04:54.260093095 +0100
@@ -746,7 +746,7 @@
</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
