diff --git a/api/Program.cs b/api/Program.cs
index 6bf5190..07d914f 100644
--- a/api/Program.cs
+++ b/api/Program.cs
@@ -21,13 +21,15 @@ builder.Services.AddDbContext<AppDbContext>(options =>
 builder.Services.AddControllers();
 
 // services
+builder.Services.AddScoped<UserService>();
 builder.Services.AddScoped<ItemService>();
 builder.Services.AddScoped<JwtService>();
 
 // configuration for jwt authentication
 builder.Services.AddIdentity<User, IdentityRole>()
     .AddEntityFrameworkStores<AppDbContext>()
-    .AddDefaultTokenProviders();
+    .AddDefaultTokenProviders()
+    .AddRoles<IdentityRole>();
 builder.Services.AddAuthentication(options => {
     options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
     options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
diff --git a/api/src/Data/AppDbContext.cs b/api/src/Data/AppDbContext.cs
index 88af273..fbbb596 100644
--- a/api/src/Data/AppDbContext.cs
+++ b/api/src/Data/AppDbContext.cs
@@ -10,7 +10,7 @@ public class AppDbContext : IdentityDbContext<User> {
 
     }
 
-    // Db set for each model besides Users (DbSet<template> is already defined in IdenityDbContext<template>)
+    // Db set for each model besides Users (DbSet<User> is already defined in IdentityDbContext<User>)
     public DbSet<Item> Items { get; set; }
     public DbSet<RefreshToken> RefreshTokens { get; set; }