diff --git a/Customer.cpp b/Customer.cpp
index 28afbf8..db6bcd2 100644
--- a/Customer.cpp
+++ b/Customer.cpp
@@ -10,6 +10,7 @@ Customer::Customer(string name_, Verhicle_type verhicle_):
     save_db();
 }
 
+
 Customer::Customer(int id_, string name_, string card_code_, Verhicle_type verhicle_, vector<Park_time> instances)
     : name{name_}, 
      card_code{card_code_},
@@ -20,19 +21,20 @@ Customer::Customer(int id_, string name_, string card_code_, Verhicle_type verhi
 }
 
 
-
-// clock methods ====================================================================================
+// clock in/out methods ====================================================================================
 /*
-creert een park_time object met start time= nu, en voegt t toe aan een vector.
+Create a p_time object with start=now and adds to vector
  */
 void Customer::clock_in(int s_id) {
     Park_time pt{id, s_id};
     park_instances.push_back(pt);
 }
 
-// edit de laatste park_time obj in de vector zodat de end_time = now.
+// edit last p_time object so end=now
 void Customer::clock_out(int s_id) { park_instances[park_instances.size() - 1].clock_out(id, s_id); }
 
+
+
 // report gen
 void Customer::gen_monthly() {
     std::cout << "NAME: " << name << " card code: " << card_code << "\n";
@@ -44,6 +46,7 @@ void Customer::gen_monthly() {
     std::cout << "-------------------------------------------------\n\n";
 }
 
+
 //================================================================================================
 // functions that interact with the database
 
diff --git a/Park_spot.cpp b/Park_spot.cpp
index 55243f2..d17fbb4 100644
--- a/Park_spot.cpp
+++ b/Park_spot.cpp
@@ -1,5 +1,9 @@
 #include "headers/Park_spot.h"
 
+
+
+// constructors
+
 Park_spot::Park_spot(){
     parked = nullptr;
     id = auto_increment_db() + 1;
@@ -7,6 +11,8 @@ Park_spot::Park_spot(){
     save_db();
 }
 
+
+
 // clock in en out, calls de juist(in/out) van de customer aan de hand van internal state van taken
 void Park_spot::clock(Customer* c_customer){
     if (!taken){
diff --git a/headers/Customer.h b/headers/Customer.h
index c2a112a..ecfd5d8 100644
--- a/headers/Customer.h
+++ b/headers/Customer.h
@@ -12,12 +12,12 @@
 using std::string;
 using std::vector;
 
-// enum type is basically een manier om categories te representen als een integer in the background, maar om t in code
-// aan te geven als de actual category.
+// will make it easy to represent it in the database while making it easy to use while programming
 enum class Verhicle_type {
-    small = 1,
-    medium = 2,
-    large = 3,
+    bike = 1,
+    small_car = 2,
+    suv = 3,
+    pickup = 4
 };
 
 /*
@@ -43,15 +43,13 @@ class Customer {
     void update_db();
     void delete_db();
 
-    // void gen_weekly(); TODO: this
-    void gen_monthly();
+    void gen_monthly(); // remove, make it a function in data
 
   private:
     Verhicle_type verhicle;
     vector<Park_time> park_instances;
 
     string gen_cardcode();
-
     void save_db();
     int auto_increment_db();
 };
diff --git a/headers/Park_time.h b/headers/Park_time.h
index 130e144..8093a13 100644
--- a/headers/Park_time.h
+++ b/headers/Park_time.h
@@ -12,26 +12,20 @@ using namespace std::chrono;
 using std::string;
 using std::to_string;
 /*
-db repr of Park_time
-int id (not null, auto increment)
-int customer_id (not null) (many to one or something like that)
-int spot_id (not null, many to one or something like that)
-int duration 
-datetime start (not null)
-datetime end
 
-Dit is gewoon een record van hoe lang, wie en waar iemand parkeert. Basically, een component van 
-de internal state van customer.
+
+Record of who parked at what park_spot and at what time.
 */
 
 class Park_time {
 public:
+    Park_time(int c_id, int s_id);
+    // Park_time(int c_id, int s_id );
     int id;
     int customer_id;
     int spot_id;
     int duration;
-    Park_time(int c_id, int s_id);
-    // Park_time(int c_id, int s_id );
+
     void clock_out(int c_id, int s_id);
     friend std::ostream& operator<<(std::ostream& os, const  Park_time & pt);
 
diff --git a/main.cpp b/main.cpp
index f83c0ba..ffd73db 100644
--- a/main.cpp
+++ b/main.cpp
@@ -35,7 +35,7 @@ a wait function where 1 sec represents 1 hour irl.
 using std::cout;
 
 int main() {
-    class Customer sagar{"Sagar Ramsaransing", Verhicle_type::medium};
+    class Customer sagar{"Sagar Ramsaransing", Verhicle_type::bike};
     sagar.update_db();
     Park_spot p1;
     p1.clock(&sagar);
diff --git a/test.db3 b/test.db3
index 649423a..47a4ff1 100644
Binary files a/test.db3 and b/test.db3 differ