diff --git a/doc/src/sgml/ref/postmaster.sgml b/doc/src/sgml/ref/postmaster.sgml
index 518f958e519..19ee602ebf9 100644
--- a/doc/src/sgml/ref/postmaster.sgml
+++ b/doc/src/sgml/ref/postmaster.sgml
@@ -1,5 +1,5 @@
@@ -181,7 +181,7 @@ PostgreSQL documentation
Specifies the IP host name or address on which the
postmaster is to listen for TCP/IP
connections from client applications. The value can also be a
- space-separated list of addresses, or *> to specify
+ comma-separated list of addresses, or *> to specify
listening on all available interfaces. An empty value
specifies not listening on any IP addresses, in which case
only Unix-domain sockets can be used to connect to the