diff --git a/src/pkg/net/dial.go b/src/pkg/net/dial.go
index 4ba11e7fe9..9a4c8f6889 100644
--- a/src/pkg/net/dial.go
+++ b/src/pkg/net/dial.go
@@ -12,7 +12,7 @@ import "os"
 //
 // Known networks are "tcp", "tcp4" (IPv4-only), "tcp6" (IPv6-only),
 // "udp", "udp4" (IPv4-only), "udp6" (IPv6-only), "ip", "ip4"
-// (IPv4-only) and "ip6" IPv6-only).
+// (IPv4-only), "ip6" (IPv6-only), "unix" and "unixgram".
 //
 // For IP networks, addresses have the form host:port.  If host is
 // a literal IPv6 address, it must be enclosed in square brackets.