diff --git a/settingengine.go b/settingengine.go
index bdc6102d..985f66cf 100644
--- a/settingengine.go
+++ b/settingengine.go
@@ -4,6 +4,9 @@ import "github.com/pions/webrtc/pkg/ice"
 
 var defaultSettingEngine = newSettingEngine()
 
+// settingEngine allows influencing behavior in ways that are not
+// supported by the WebRTC API. This allows us to support additional
+// use-cases without deviating from the WebRTC API elsewhere.
 type settingEngine struct {
 	EphemeralUDP struct {
 		PortMin uint16
@@ -12,7 +15,8 @@ type settingEngine struct {
 }
 
 // SetEphemeralUDPPortRange limits the pool of ephemeral ports that
-// ICE UDP connections can allocate from
+// ICE UDP connections can allocate from. This setting currently only
+// affects host candidates, not server reflexive candidates.
 func SetEphemeralUDPPortRange(portMin, portMax uint16) error {
 	if portMax < portMin {
 		return ice.ErrPort