diff --git a/doc/src/sgml/ref/copy.sgml b/doc/src/sgml/ref/copy.sgml
index 2770cde3bb9..101c1c29b49 100644
--- a/doc/src/sgml/ref/copy.sgml
+++ b/doc/src/sgml/ref/copy.sgml
@@ -1,5 +1,5 @@
@@ -225,7 +225,7 @@ COPY { tablename [ ( quote
- Specifies the quotation character in CSV> mode.
+ Specifies the ASCII quotation character in CSV> mode.
The default is double-quote.
@@ -235,7 +235,7 @@ COPY { tablename [ ( escape
- Specifies the character that should appear before a
+ Specifies the ASCII character that should appear before a
QUOTE> data character value in CSV> mode.
The default is the QUOTE> value (usually double-quote).