diff --git a/CM2005 Object Oriented Programming/Topic 4/4.4.5/CSVReader.h b/CM2005 Object Oriented Programming/Topic 4/4.4.5/CSVReader.h
index bed9717..12084ce 100644
--- a/CM2005 Object Oriented Programming/Topic 4/4.4.5/CSVReader.h	
+++ b/CM2005 Object Oriented Programming/Topic 4/4.4.5/CSVReader.h	
@@ -10,10 +10,10 @@ public:
     CSVReader();
     static std::vector<OrderBookEntry> readCSV(std::string csvFile);
     static std::vector<std::string> tokenise(std::string csvLine, char separator);
-    static OrderBookEntry stringsToOBE(std::string product,
-                                       std::string price,
+    static OrderBookEntry stringsToOBE(std::string price,
                                        std::string amount,
                                        std::string timestamp,
+                                       std::string product,
                                        OrderBookType orderType);
 
 private: