comment cleanup

src/engine/gameManager/ForgeManager.java

@@ -52,6 +52,10 @@ public enum ForgeManager implements Runnable {
 
         while (true) {
 
+            // ForgeManager.forge is a delayQueue (priority queue using an epoc sort)
+            // workOrders are popped and processed when the completion time has passed.
+            // workOrders can be enqueued from any thread.
+
             try {
                 workOrder = forge.take();