diff --git a/Sources/Stim.Model/Game.cs b/Sources/Stim.Model/Game.cs
index a992393..d29c1eb 100644
--- a/Sources/Stim.Model/Game.cs
+++ b/Sources/Stim.Model/Game.cs
@@ -15,10 +15,8 @@ namespace Model
             get => name;
             private set
             {
-                if (string.IsNullOrWhiteSpace(value)) name="Default";
-                else
-                {
-                    name = value;
+                if (string.IsNullOrWhiteSpace(value)) name = "Default";
+                else name = value;
                     NotifyPropertyChanged();
                 }
             }
@@ -31,10 +29,8 @@ namespace Model
             get => description;
             private set
             {
-                if (string.IsNullOrWhiteSpace(value)) description="Defaut";
-                else
-                {
-                    description = value;
+                if (string.IsNullOrWhiteSpace(value)) description = "Defaut";
+                else description = value;
                     NotifyPropertyChanged();
                 }
             }
@@ -47,10 +43,8 @@ namespace Model
             get => year;
             private set
             {
-                if (value < 1957 || value > 2023) year=2023;
-                else
-                {
-                    year = value;
+                if (value < 1957 || value > 2023) year = 2023;
+                else year = value;
                     NotifyPropertyChanged();
                 }
             }
@@ -63,10 +57,8 @@ namespace Model
             get => cover;
             private set
             {
-                if (string.IsNullOrWhiteSpace(value)) cover="no_cover.png";
-                else
-                {
-                    cover = value;
+                if (string.IsNullOrWhiteSpace(value)) cover = "no_cover.png";
+                else cover = value;
                     NotifyPropertyChanged();
                 }
             }
@@ -80,9 +72,7 @@ namespace Model
             private set
             {
                 if (value == null || value.Count > 3) tags = new ObservableCollection<string>();
-                else
-                {
-                    tags = value;
+                else tags = value;
                     NotifyPropertyChanged();
                 }
             }
@@ -105,9 +95,7 @@ namespace Model
             private set
             {
                 if (string.IsNullOrWhiteSpace(value)) lien = "Pas de lien";
-                else
-                {
-                    lien = value;
+                else lien = value;
                     NotifyPropertyChanged();
                 }
             }
@@ -133,12 +121,7 @@ namespace Model
         public event PropertyChangedEventHandler? PropertyChanged;
 
         private void NotifyPropertyChanged([CallerMemberName] string propertyName = "")
-        {
-            if (PropertyChanged != null)
-            {
-                PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
-            }
-        }
+            => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
 
         public override int GetHashCode()
         {
diff --git a/Sources/Stim.Model/Review.cs b/Sources/Stim.Model/Review.cs
index c29836f..fa4d3cc 100644
--- a/Sources/Stim.Model/Review.cs
+++ b/Sources/Stim.Model/Review.cs
@@ -1,9 +1,11 @@
-using System.Runtime.Serialization;
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+using System.Runtime.Serialization;
 
 namespace Model
 {
     [DataContract]
-    public class Review
+    public class Review :INotifyPropertyChanged
     {
         [DataMember]
         public double Rate
@@ -11,8 +13,9 @@ namespace Model
             get => rate;
             private set
             {
-                if (value < 0 || value > 5) return;
-                rate = value;
+                if (value < 0 || value > 5) rate = 0;
+                else rate = value;
+                NotifyPropertyChanged();
             }
         }
         private double rate;
@@ -23,12 +26,17 @@ namespace Model
             get => text;
             private set
             {
-                if (string.IsNullOrWhiteSpace(value)) return;
-                text = value;
+                if (string.IsNullOrWhiteSpace(value)) text = "Default";
+                else text = value;
+                NotifyPropertyChanged();
             }
         }
         private string? text;
 
+        public event PropertyChangedEventHandler? PropertyChanged;
+        private void NotifyPropertyChanged([CallerMemberName] string propertyName = "")
+            => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+
         [DataMember]
         public string AuthorName { get; set; }
 
diff --git a/Sources/Stim.Model/User.cs b/Sources/Stim.Model/User.cs
index d26d83c..faffa5a 100644
--- a/Sources/Stim.Model/User.cs
+++ b/Sources/Stim.Model/User.cs
@@ -18,6 +18,7 @@ namespace Model
             {
                 if (!string.IsNullOrWhiteSpace(value)) userImage = value;
                 else userImage = "no_cover.png";
+                NotifyPropertyChanged();
             }
         }
         private string userImage = default!;
@@ -28,11 +29,8 @@ namespace Model
             set
             {
                 if (string.IsNullOrWhiteSpace(value)) username = "Default";
-                else
-                {
-                    username = value;
-                    NotifyPropertyChanged();
-                }
+                else username = value;
+                NotifyPropertyChanged();
             }
         }
         private string username=default!;
@@ -43,11 +41,8 @@ namespace Model
             private set
             {
                 if (string.IsNullOrWhiteSpace(value)) biographie = "Pas de biographie";
-                else
-                {
-                    biographie = value;
-                    NotifyPropertyChanged();
-                }
+                else biographie = value;
+                NotifyPropertyChanged();
             }
         }
         private string biographie = default!;
@@ -58,12 +53,9 @@ namespace Model
             private set
             {
                 Regex rg_email = new Regex("^[\\w-\\.]+@([\\w-]+\\.)+[\\w-]{2,4}$");
-                if (!(string.IsNullOrWhiteSpace(value)) && rg_email.IsMatch(value))
-                {
-                    email = value;
-                    NotifyPropertyChanged();
-                }
+                if (!(string.IsNullOrWhiteSpace(value)) && rg_email.IsMatch(value)) email = value;
                 else email = "Default";
+                NotifyPropertyChanged();
             }
         }
         private string email = default!;
@@ -87,12 +79,7 @@ namespace Model
         public event PropertyChangedEventHandler? PropertyChanged;
 
         private void NotifyPropertyChanged([CallerMemberName] string propertyName = "")
-        {
-            if (PropertyChanged != null)
-            {
-                PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
-            }
-        }
+            => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
 
         [DataMember]
         public ObservableCollection<Game> Followed_Games