pg_dump doc: mention 'long' is valid for --compress

Apparently an oversight in 2820adf7755d.

diff --git a/doc/src/sgml/ref/pg_dump.sgml b/doc/src/sgml/ref/pg_dump.sgml
index e81e35c13b35217d91b3f3819127af3f040db699..a3cf0608f5b1475814e750d366d56fe2ab00327a 100644 (file)
--- a/doc/src/sgml/ref/pg_dump.sgml
+++ b/doc/src/sgml/ref/pg_dump.sgml
@@ -662,7 +662,8 @@ PostgreSQL documentation
         detail string is an integer, it specifies the compression level.
         Otherwise, it should be a comma-separated list of items, each of the
         form keyword or keyword=value.
-        Currently, the only supported keyword is level.
+        Currently, the supported keywords are level and
+        long.