diff --git a/doc/src/sgml/ref/copy.sgml b/doc/src/sgml/ref/copy.sgml
index bd2398cfeed..d8c48f6229a 100644
--- a/doc/src/sgml/ref/copy.sgml
+++ b/doc/src/sgml/ref/copy.sgml
@@ -1,5 +1,5 @@
@@ -112,8 +112,8 @@ COPY [ BINARY ] table [ WITH OIDS ]
A string to represent NULL values. The default is
- \N
(backslash-N), for historical
- reasons. You might prefer an empty string, for example.
+ \N
(backslash-N).
+ You might prefer an empty string, for example.