diff --git a/WF-WebAdmin/WF-WebAdmin/Model/Source.cs b/WF-WebAdmin/WF-WebAdmin/Model/Source.cs
index 99c390a..0c68db3 100644
--- a/WF-WebAdmin/WF-WebAdmin/Model/Source.cs
+++ b/WF-WebAdmin/WF-WebAdmin/Model/Source.cs
@@ -1,11 +1,11 @@
-namespace WF_WebAdmin.Model
-{
-    public class Source
-    {
-        public int id_source {  get; set; }
-
-        public string title { get; set; }
-
-        public int date {  get; set; }
-    }
-}
+namespace WF_WebAdmin.Model
+{
+    public class Source
+    {
+        public int id_source {  get; set; }
+
+        public string? title { get; set; }
+
+        public int date {  get; set; }
+    }
+}