diff --git a/doc/src/sgml/ref/copy.sgml b/doc/src/sgml/ref/copy.sgml
index 8ab9ff7ecae..ff91ee2d9f7 100644
--- a/doc/src/sgml/ref/copy.sgml
+++ b/doc/src/sgml/ref/copy.sgml
@@ -1,5 +1,5 @@
@@ -550,13 +550,10 @@ COPY count
The CSV> format has no standard way to distinguish a
NULL> value from an empty string.
- PostgreSQL>'s COPY> handles this by
- quoting. A NULL> is output as the NULL>
- string and is not quoted, while a data value matching the
- NULL> string is quoted. Therefore, using the default
- settings, a NULL> is written as an unquoted empty
- string, while an empty string is written with double quotes
- ("">). Reading values follows similar rules. You can
+ PostgreSQL>'s COPY> handles this using
+ quoting. A NULL> is output as an empty string without
+ quotes, while an empty string data value is double-quoted
+ ("">). Reading values follows similar rules. You can
use FORCE NOT NULL> to prevent NULL> input
comparisons for specific columns.