diff --git a/API_SQLuedo/API/Controllers/UserController.cs b/API_SQLuedo/API/Controllers/UserController.cs
index fb57815..786186a 100644
--- a/API_SQLuedo/API/Controllers/UserController.cs
+++ b/API_SQLuedo/API/Controllers/UserController.cs
@@ -59,7 +59,7 @@ namespace API.Controllers
             catch (ArgumentException)
             {
                 logger.LogError("[ERREUR] Aucun utilisateur trouvé avec l'username {username}.", username);
-                return NotFound();
+                return NotFound("Utilisateur non trouvé !");
             }
         }
 
diff --git a/API_SQLuedo/StubbedContextLib/StubbedContext.cs b/API_SQLuedo/StubbedContextLib/StubbedContext.cs
index db6995b..aca9691 100644
--- a/API_SQLuedo/StubbedContextLib/StubbedContext.cs
+++ b/API_SQLuedo/StubbedContextLib/StubbedContext.cs
@@ -21,7 +21,7 @@ public class StubbedContext : UserDbContext
                 Id = 1,
                 Username = "johnny",
                 Password = Convert.ToBase64String(KeyDerivation.Pbkdf2(
-                    password: "motdepasse",
+                    password: "Motdepasse",
                     salt: RandomNumberGenerator.GetBytes(128 / 8),
                     prf: KeyDerivationPrf.HMACSHA256,
                     iterationCount: 100000,
@@ -34,7 +34,7 @@ public class StubbedContext : UserDbContext
                 Id = 2,
                 Username = "maxime",
                 Password = Convert.ToBase64String(KeyDerivation.Pbkdf2(
-                    password: "motdepasse",
+                    password: "Motdepasse",
                     salt: RandomNumberGenerator.GetBytes(128 / 8),
                     prf: KeyDerivationPrf.HMACSHA256,
                     iterationCount: 100000,
@@ -47,7 +47,7 @@ public class StubbedContext : UserDbContext
                 Id = 3,
                 Username = "clement",
                 Password = Convert.ToBase64String(KeyDerivation.Pbkdf2(
-                    password: "motdepasse",
+                    password: "Motdepasse",
                     salt: RandomNumberGenerator.GetBytes(128 / 8),
                     prf: KeyDerivationPrf.HMACSHA256,
                     iterationCount: 100000,
@@ -60,7 +60,7 @@ public class StubbedContext : UserDbContext
                 Id = 4,
                 Username = "erwan",
                 Password = Convert.ToBase64String(KeyDerivation.Pbkdf2(
-                    password: "motdepasse",
+                    password: "Motdepasse",
                     salt: RandomNumberGenerator.GetBytes(128 / 8),
                     prf: KeyDerivationPrf.HMACSHA256,
                     iterationCount: 100000,
@@ -73,7 +73,7 @@ public class StubbedContext : UserDbContext
                 Id = 5,
                 Username = "victor",
                 Password = Convert.ToBase64String(KeyDerivation.Pbkdf2(
-                    password: "motdepasse",
+                    password: "Motdepasse",
                     salt: RandomNumberGenerator.GetBytes(128 / 8),
                     prf: KeyDerivationPrf.HMACSHA256,
                     iterationCount: 100000,