diff --git a/1. Foundations of NLP.ipynb b/1. Foundations of NLP.ipynb
index 4a0e003..f612810 100644
--- a/1. Foundations of NLP.ipynb	
+++ b/1. Foundations of NLP.ipynb	
@@ -36,6 +36,7 @@
     "\n",
     "import string\n",
     "import nltk\n",
+    "nltk.download('punkt')\n",
     "from nltk.corpus import stopwords  \n",
     "from nltk.text import TextCollection\n",
     "from nltk.collocations import BigramCollocationFinder\n",