diff --git a/src/Tuitio.Application/Extensions/EntityConversions.cs b/src/Tuitio.Application/Extensions/EntityConversions.cs
index 1c7ea25..960ad9e 100644
--- a/src/Tuitio.Application/Extensions/EntityConversions.cs
+++ b/src/Tuitio.Application/Extensions/EntityConversions.cs
@@ -1,4 +1,6 @@
-using System.Collections.Generic;
+// Copyright (c) 2020 Tudor Stanciu
+
+using System.Collections.Generic;
 using Tuitio.Domain.Entities;
 
 namespace Tuitio.Application.Extensions
diff --git a/src/Tuitio.Application/Extensions/EntityExtensions.cs b/src/Tuitio.Application/Extensions/EntityExtensions.cs
index fe891a2..0e28c12 100644
--- a/src/Tuitio.Application/Extensions/EntityExtensions.cs
+++ b/src/Tuitio.Application/Extensions/EntityExtensions.cs
@@ -1,4 +1,6 @@
-using System.Collections.Generic;
+// Copyright (c) 2020 Tudor Stanciu
+
+using System.Collections.Generic;
 using System.Linq;
 using Tuitio.Domain.Entities;
 
diff --git a/src/Tuitio.Application/Mappings/UserInfoMappings.cs b/src/Tuitio.Application/Mappings/UserInfoMappings.cs
index d220dc2..6be82c4 100644
--- a/src/Tuitio.Application/Mappings/UserInfoMappings.cs
+++ b/src/Tuitio.Application/Mappings/UserInfoMappings.cs
@@ -1,4 +1,6 @@
-using AutoMapper;
+// Copyright (c) 2020 Tudor Stanciu
+
+using AutoMapper;
 using System.Linq;
 using Tuitio.Application.Extensions;
 using Tuitio.Application.Queries;