Class cleanup and comment fixes

src/engine/gameManager/ForgeManager.java

@@ -103,13 +103,13 @@ public enum ForgeManager implements Runnable {
 
     public static int submit(WorkOrder workOrder) {
 
-        // Make sure vendor can roll the formulae, warehouse can afford
+        // Make sure vendor can roll the formulae, warehouse can
-        // the wordOrder and other related checks.
+        // afford this wordOrder and other related checks.
 
         int validation_result = ItemManager.validate(workOrder);
 
         // The return code is used by the submitter as a
-        // popup error message to the player.
+        // popup error message for the player.
 
         if (validation_result != 0)
             return validation_result;
@@ -172,12 +172,12 @@ public enum ForgeManager implements Runnable {
 
         int availableSlots = workOrder.vendor.getRank();
 
-        // Slots currently used up by the npc workOrders
+        // Subtract slots currently being used by npc workOrders
 
         for (WorkOrder npcWorkOrder : ForgeManager.vendorWorkOrderLookup.get(workOrder.vendor))
             availableSlots = availableSlots - npcWorkOrder.slots_used;
 
-        // Single item rolls are msg_size of 0;
+        // Single item rolls are always a single slot
 
         if (availableSlots > 0 && !workOrder.multiple_slot_request)
             availableSlots = 1;