net: fix typo

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/4315049
diff --git a/src/pkg/net/hosts.go b/src/pkg/net/hosts.go
index 8525f57..d75e9e0 100644
--- a/src/pkg/net/hosts.go
+++ b/src/pkg/net/hosts.go
@@ -59,7 +59,7 @@
 	}
 }
 
-// lookupStaticHosts looks up the addresses for the given host from /etc/hosts.
+// lookupStaticHost looks up the addresses for the given host from /etc/hosts.
 func lookupStaticHost(host string) []string {
 	hosts.Lock()
 	defer hosts.Unlock()
@@ -72,7 +72,7 @@
 	return nil
 }
 
-// rlookupStaticHosts looks up the hosts for the given address from /etc/hosts.
+// lookupStaticAddr looks up the hosts for the given address from /etc/hosts.
 func lookupStaticAddr(addr string) []string {
 	hosts.Lock()
 	defer hosts.Unlock()