diff --git a/doc/src/sgml/ref/copy.sgml b/doc/src/sgml/ref/copy.sgml
index 703951de803..bd1b94ae395 100644
--- a/doc/src/sgml/ref/copy.sgml
+++ b/doc/src/sgml/ref/copy.sgml
@@ -1,5 +1,5 @@
@@ -353,6 +353,13 @@ COPY count
using COPY TO>.
+
+ Input data is interpreted according to the current client encoding,
+ and output data is encoded in the the current client encoding, even
+ if the data does not pass through the client but is read from or
+ written to a file.
+
+
COPY stops operation at the first error. This
should not lead to problems in the event of a COPY
@@ -363,6 +370,7 @@ COPY count
happened well into a large copy operation. You might wish to invoke
VACUUM to recover the wasted space.
+