diff --git a/analysis_notebook_hashtag.ipynb b/analysis_notebook_hashtag.ipynb
index 97e058b..4777b28 100644
--- a/analysis_notebook_hashtag.ipynb
+++ b/analysis_notebook_hashtag.ipynb
@@ -15,6 +15,7 @@
     "#| |  | | (_| \\__ \\ || (_) | (_| | (_| | || (_| | #\n",
     "#\\_|  |_/\\__,_|___/\\__\\___/ \\__,_|\\__,_|\\__\\__,_| #\n",
     "####################################################### \n",
+    "# written by Alexander Martin and Marcus Burkhardt #\n",
     "# This script loads data from the hash tag timeline.\n",
     "# Please fill in the correct path, where your data \n",
     "# is stored.\n",