diff --git a/smcroute.8 b/smcroute.8
index cb64f27d..843d6609 100644
--- a/smcroute.8
+++ b/smcroute.8
@@ -231,8 +231,8 @@ The interfaces provided as
 .Ar INIFNAME
 and
 .Ar OUTIFNAME
-can be any network interface as listed by 'ifconfig' or 'ip link
-list' (incl. tunnel interfaces), but not the loopback interface.
+can be any multicast capable network interface as listed by 'ifconfig'
+or 'ip link list' (incl. tunnel interfaces), including loopback.
 .Pp
 To add a (*,G) route, either leave
 .Ar SOURCE
diff --git a/src/mroute.c b/src/mroute.c
index 64b469fe..49dc29e5 100644
--- a/src/mroute.c
+++ b/src/mroute.c
@@ -240,7 +240,7 @@ int mroute4_enable(int do_vifs, int table_id, int timeout)
 	/* Initialize virtual interface table */
 	memset(&vif_list, 0, sizeof(vif_list));
 
-	/* Create virtual interfaces (VIFs) for all non-loopback interfaces supporting multicast */
+	/* Create virtual interfaces (VIFs) for all IFF_MULTICAST interfaces */
 	if (do_vifs) {
 		for (iface = iface_iterator(1); iface; iface = iface_iterator(0))
 			mroute4_add_vif(iface);
@@ -953,7 +953,7 @@ int mroute6_enable(int do_vifs, int table_id)
 		}
 	}
 #endif
-	/* Create virtual interfaces, IPv6 MIFs, for all non-loopback interfaces */
+	/* Create virtual interfaces, IPv6 MIFs, for all IFF_MULTICAST interfaces */
 	if (do_vifs) {
 		for (iface = iface_iterator(1); iface; iface = iface_iterator(0))
 			mroute6_add_mif(iface);