diff --git a/man5/host.conf.5 b/man5/host.conf.5
index 4395a236b..a289cb4e9 100644
--- a/man5/host.conf.5
+++ b/man5/host.conf.5
@@ -138,7 +138,7 @@ override the behavior which is configured in
 .IR /etc/host.conf .
 .TP
 .B RESOLV_HOST_CONF
-If set this variable points to a file that should be read instead of
+If set, this variable points to a file that should be read instead of
 .IR /etc/host.conf .
 .TP
 .B RESOLV_SERV_ORDER