diff --git a/Einheit_4/2025_5BHITN_Konstantin_Hintermayer_smarterrent/Services/RollbackService.cs b/Einheit_4/2025_5BHITN_Konstantin_Hintermayer_smarterrent/Services/RollbackService.cs
index f6cc7ee..d160b13 100644
--- a/Einheit_4/2025_5BHITN_Konstantin_Hintermayer_smarterrent/Services/RollbackService.cs
+++ b/Einheit_4/2025_5BHITN_Konstantin_Hintermayer_smarterrent/Services/RollbackService.cs
@@ -18,15 +18,17 @@ namespace Services
             {
                 using SqlConnection conn = sqlConnectionFactory.CreateSqlConnection();
 
-                string sql = "USE [master];\r\n" +
-                    "ALTER DATABASE [2025_5bhitn_konstantin_hintermayer_smarter_rentDB] SET SINGLE_USER WITH ROLLBACK IMMEDIATE;\r\n" +
-                    "RESTORE DATABASE [2025_5bhitn_konstantin_hintermayer_smarter_rentDB] FROM DATABASE_SNAPSHOT = '2025_5bhitn_konstantin_hintermayer_smarter_rentDB_snapshot';\r\n" +
-                    "GO";
+                string sql = @"
+    USE [master];
+    ALTER DATABASE [2025_5bhitn_konstantin_hintermayer_smarter_rentDB] SET SINGLE_USER WITH ROLLBACK IMMEDIATE;
+    RESTORE DATABASE [2025_5bhitn_konstantin_hintermayer_smarter_rentDB] FROM DATABASE_SNAPSHOT = '2025_5bhitn_konstantin_hintermayer_smarter_rentDB_snapshot';
+    ALTER DATABASE [2025_5bhitn_konstantin_hintermayer_smarter_rentDB] SET MULTI_USER;";
 
                 using SqlCommand cmd = new SqlCommand(sql, conn);
-                
+
                 cmd.ExecuteNonQuery();
-            }catch (Exception ex)
+            }
+            catch (Exception ex)
             {
                 Console.WriteLine(ex);
             }