diff --git a/Code/Model/Banque.cs b/Code/Model/Banque.cs
index 952653c..8db7d2a 100644
--- a/Code/Model/Banque.cs
+++ b/Code/Model/Banque.cs
@@ -20,12 +20,12 @@ namespace Model
             UrlLogo = urlLogo;
         }
 
-        private AjouterCompte(Compte compte)
+        private void AjouterCompte(Compte compte)
         {
             ListeDesComptes.Add(compte);
         }
 
-        private SupprimerCompte(Compte compte)
+        private void SupprimerCompte(Compte compte)
         {
             ListeDesComptes.Remove(compte);
         }
diff --git a/Code/Model/Devises.cs b/Code/Model/Devises.cs
index 537e910..aff53dd 100644
--- a/Code/Model/Devises.cs
+++ b/Code/Model/Devises.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace Model
 {
-    internal enum Devises
+    public enum Devises
     {
         Livre_sterling,
         Rouble,
diff --git a/Code/Model/Manager.cs b/Code/Model/Manager.cs
index 5f35a8c..17eaff0 100644
--- a/Code/Model/Manager.cs
+++ b/Code/Model/Manager.cs
@@ -10,10 +10,10 @@ namespace Model
 {
     public class Manager : INotifyPropertyChanged
     {
-        public IReadOnlyCollection<Inscrit> ListedesInscrits { get; private set };
-        private List<Inscrit> TouslesInscrits { get; set } = new List<Inscrit>;
+        public IReadOnlyCollection<Inscrit> ListedesInscrits { get; private set; }
+        private List<Inscrit> TouslesInscrits { get; set; } = new List<Inscrit>();
 
-        public event PropertyChangedEventHandler PropertyChanged;
+        public event PropertyChangedEventHandler? PropertyChanged;
         void OnPropertyChanged(string propertyName) => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));