Edit role a Role

app/Models/User.php

@@ -43,7 +43,7 @@ class User extends Authenticatable
 
   public function roles()
   {
-    return $this->belongsToMany(role::class, 'role_user', 'id_user', 'id_rol');
+    return $this->belongsToMany(Role::class, 'role_user', 'id_user', 'id_rol');
   }
 
   public function isAdmin()

app/Models/role.php

@@ -5,7 +5,7 @@ namespace App\Models;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 
-class role extends Model
+class Role extends Model
 {
     use HasFactory;