diff --git a/assignment 4/iml_assginment4_unsolved.ipynb b/assignment 4/iml_assginment4_unsolved.ipynb
index 6faa345..9dd1a03 100644
--- a/assignment 4/iml_assginment4_unsolved.ipynb	
+++ b/assignment 4/iml_assginment4_unsolved.ipynb	
@@ -1,5 +1,16 @@
 {
  "cells": [
+  {
+   "cell_type": "markdown",
+   "source": [
+    "Assignment 4 of the course “Introduction to Machine Learning” at the University of Leoben.\n",
+    "Author: Fotios Lygerakis\n",
+    "Semester: SS 2022/2023"
+   ],
+   "metadata": {
+    "collapsed": false
+   }
+  },
   {
    "cell_type": "markdown",
    "source": [