Comments should follow a space.

L2J_Mobius_10.2_MasterClass/java/org/l2jmobius/gameserver/network/serverpackets/collection/ExCollectionList.java

@@ -37,7 +37,7 @@ public class ExCollectionList implements IClientOutgoingPacket
 	{
 		OutgoingPackets.EX_COLLECTION_LIST.writeId(packet);
 		packet.writeC(_category);
-		packet.writeD(0);// size & loop body
+		packet.writeD(0); // size & loop body
 		return true;
 	}
 }

L2J_Mobius_10.2_MasterClass/java/org/l2jmobius/gameserver/network/serverpackets/collection/ExCollectionOpenUI.java

@@ -29,7 +29,7 @@ public class ExCollectionOpenUI implements IClientOutgoingPacket
 	public boolean write(PacketWriter packet)
 	{
 		OutgoingPackets.EX_COLLECTION_OPEN_UI.writeId(packet);
-		packet.writeC(0);// unk and may be unk D too
+		packet.writeC(0); // unk and may be unk D too
 		return true;
 	}
 }