Update documentation (may still need some work).

ProtocolLib/src/com/comphenix/protocol/async/AsyncFilterManager.java

@@ -182,7 +182,7 @@ public class AsyncFilterManager implements AsynchronousManager {
 		// Start the process
 		getSendingQueue(syncPacket).enqueue(newEvent);
 		
-		// We know this is occuring on the main thread, to pass TRUE
+		// We know this is occuring on the main thread, so pass TRUE
 		getProcessingQueue(syncPacket).enqueue(newEvent, true);
 	}
 	

ProtocolLib/src/com/comphenix/protocol/async/AsyncMarker.java

@@ -18,6 +18,8 @@ import com.google.common.primitives.Longs;
 
 /**
  * Contains information about the packet that is being processed by asynchronous listeners.
+ * <p>
+ * Asynchronous listeners can use this to set packet timeout or transmission order.
  * 
  * @author Kristian
  */