address aarshian nitpicks

core/network/conn.go

@@ -60,6 +60,7 @@ type ConnMultiaddrs interface {
 	RemoteMultiaddr() ma.Multiaddr
 }
 
+// ConnStat is an interface mixin for connection types that provide connection statistics.
 type ConnStat interface {
 	// Stat stores metadata pertaining to this conn.
 	Stat() Stat

core/network/network.go

@@ -103,7 +103,7 @@ type Stat struct {
 	Direction Direction
 	// Opened is the timestamp when this connection was opened.
 	Opened time.Time
-	// Transient indicates that this connection is transient and may be closed soon
+	// Transient indicates that this connection is transient and may be closed soon.
 	Transient bool
 	// Extra stores additional metadata about this connection.
 	Extra map[interface{}]interface{}