diff --git a/AsbCloudInfrastructure/Services/HelpPageService.cs b/AsbCloudInfrastructure/Services/HelpPageService.cs
index 676c0cea..689ccbd2 100644
--- a/AsbCloudInfrastructure/Services/HelpPageService.cs
+++ b/AsbCloudInfrastructure/Services/HelpPageService.cs
@@ -2,6 +2,7 @@
 using AsbCloudApp.Repositories;
 using AsbCloudApp.Services;
 using System.IO;
+using System.Net;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Configuration;
@@ -86,6 +87,8 @@ public class HelpPageService : IHelpPageService
         int idCategory,
         CancellationToken cancellationToken)
     {
+        urlPage = WebUtility.UrlDecode(urlPage);
+        
         var helpPage = await helpPageRepository.GetOrDefaultByUrlPageAndIdCategoryAsync(urlPage,
             idCategory,
             cancellationToken) ?? throw new ArgumentInvalidException("Справки не существует", nameof(idCategory));
diff --git a/AsbCloudWebApi/Controllers/HelpPageController.cs b/AsbCloudWebApi/Controllers/HelpPageController.cs
index 231047fe..987a64ae 100644
--- a/AsbCloudWebApi/Controllers/HelpPageController.cs
+++ b/AsbCloudWebApi/Controllers/HelpPageController.cs
@@ -70,7 +70,7 @@ public class HelpPageController : ControllerBase
     /// Получение файла справки
     /// </summary>
     /// <param name="urlPage">Url страницы</param>
-    /// <param name="idCategory">Id категории файла</param>
+    /// <param name="idCategory">Id категории файла. Допустимое значение параметра: 20000</param>
     /// <param name="cancellationToken">Токен для отмены задачи</param>
     /// <returns></returns>
     [HttpGet]