diff --git a/src/NPCManager.cpp b/src/NPCManager.cpp
index 156b035..aeaf986 100644
--- a/src/NPCManager.cpp
+++ b/src/NPCManager.cpp
@@ -316,7 +316,7 @@ void NPCManager::npcCombineItems(CNSocket* sock, CNPacketData* data) {
 
     CrocPotEntry* recipe = &ItemManager::CrocPotTable[abs(itemStatsDat->level - itemLooksDat->level)];
     int cost = itemStatsDat->buyPrice * recipe->multStats + itemLooksDat->buyPrice * recipe->multLooks;
-    float successChance = recipe->base / 100.0f;
+    float successChance = recipe->base / 100.0f; // base success chance
 
     // rarity gap multiplier
     switch(abs(itemStatsDat->rarity - itemLooksDat->rarity))
@@ -337,8 +337,8 @@ void NPCManager::npcCombineItems(CNSocket* sock, CNPacketData* data) {
         break;
     }
 
-    float rolled = (rand() * 1.0f / RAND_MAX) * 100.0f;
-    std::cout << rolled << " vs " << successChance << std::endl;
+    float rolled = (rand() * 1.0f / RAND_MAX) * 100.0f; // success chance out of 100
+    //std::cout << rolled << " vs " << successChance << std::endl;
     plr->money -= cost;
 
 
diff --git a/src/TableData.cpp b/src/TableData.cpp
index 8076809..d018692 100644
--- a/src/TableData.cpp
+++ b/src/TableData.cpp
@@ -112,7 +112,7 @@ void TableData::init() {
             itemSet = xdtData[setNames[i]]["m_pItemData"];
             for (nlohmann::json::iterator _item = itemSet.begin(); _item != itemSet.end(); _item++) {
                 auto item = _item.value();
-                int typeOverride = getItemType(i);
+                int typeOverride = getItemType(i); // used for special cases where iEquipLoc doesn't indicate item type
                 ItemManager::ItemData[std::pair<int32_t, int32_t>(item["m_iItemNumber"], typeOverride != -1 ? typeOverride : (int)item["m_iEquipLoc"])]
                 = { item["m_iTradeAble"] == 1, item["m_iSellAble"] == 1, item["m_iItemPrice"], item["m_iItemSellPrice"], item["m_iStackNumber"], i > 9 ? 0 : (int)item["m_iMinReqLev"],
                 i > 9 ? 1 : (int)item["m_iRarity"] };
@@ -192,17 +192,20 @@ void TableData::cleanup() {
         delete pair.second;
 }
 
+/*
+* Some item categories either don't possess iEquipLoc or use a different value for item type.
+*/
 int TableData::getItemType(int itemSet) {
     int overriden;
     switch (itemSet)
     {
-    case 11:
+    case 11: // Chest items don't have iEquipLoc and are type 9.
         overriden = 9;
         break;
-    case 10:
+    case 10: // General items don't have iEquipLoc and are type 7.
         overriden = 7;
         break;
-    case 9:
+    case 9: // Vehicles have iEquipLoc 8, but type 10.
         overriden = 10;
         break;
     default: