diff --git a/doc/src/sgml/ref/copy.sgml b/doc/src/sgml/ref/copy.sgml index b9c3eb4a732..2850b4763f2 100644 --- a/doc/src/sgml/ref/copy.sgml +++ b/doc/src/sgml/ref/copy.sgml @@ -71,12 +71,14 @@ COPY { table_name [ ( COPY with a file name instructs the PostgreSQL server to directly read from - or write to a file. The file must be accessible to the server and - the name must be specified from the viewpoint of the server. When - PROGRAM is specified, the server executes the - given command, and reads from its standard input, or writes to its - standard output. The command must be specified from the viewpoint of the - server, and be executable by the postgres user. When + or write to a file. The file must be accessible by the + PostgreSQL user (the user ID the server + runs as) and the name must be specified from the viewpoint of the + server. When PROGRAM is specified, the server + executes the given command and reads from the standard output of the + program, or writes to the standard input of the program. The command + must be specified from the viewpoint of the server, and be executable + by the PostgreSQL user. When STDIN or STDOUT is specified, data is transmitted via the connection between the client and the server.