diff --git a/src/Motorradvermietung.cpp b/src/Motorradvermietung.cpp
index 76717e4..1de9ef3 100644
--- a/src/Motorradvermietung.cpp
+++ b/src/Motorradvermietung.cpp
@@ -684,6 +684,9 @@ reservation* get_reservation_for_customer(customer* const current_customer)
     return reservations_of_customer[index - 1];
 }
 
+/**
+ * \brief Puts the motorcycle out to the customer.
+ */
 void rent_a_motorcycle()
 {
     system("cls");
@@ -709,7 +712,11 @@ void rent_a_motorcycle()
     system("pause");
 }
 
-string current_date_time()
+/**
+ * \brief Gets current date and time.
+ * \return Date & Time formatted as: DD.MM.YYYY HH:MM:SS
+ */
+string get_current_date_time()
 {
     auto t = time(nullptr);
     struct tm buf{};
@@ -724,11 +731,15 @@ string current_date_time()
     return date + " " + time;
 }
 
+/**
+ * \brief Exports the current reservations list into a file. 
+ * If file already exists, it will be appended.
+ */
 void export_reservations()
 {
     ofstream f;
     f.open("reservierungen.txt", ios::app);
-    f << "Export (" << current_date_time() << ")" << endl;
+    f << "Export (" << get_current_date_time() << ")" << endl;
     f << "Id;Motorcycle;Start;End;Name;First_Name;Cancelled" << endl;
     for (auto reservation : reservations)
     {
@@ -742,4 +753,4 @@ void export_reservations()
     }
     f << "------------" << endl;
     f.close();
-}
+}
\ No newline at end of file