diff --git a/documentation/02nd20docs/30nltk.md b/documentation/02nd20docs/30nltk.md
new file mode 100644
index 0000000..d6a8c45
--- /dev/null
+++ b/documentation/02nd20docs/30nltk.md
@@ -0,0 +1,3 @@
+# nltk
+
+[nltk](https://pypi.org/project/nltk/)
diff --git a/requirements.txt b/requirements.txt
index a473915..e8358cb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ click==8.1.7
 colorama==0.4.6
 et-xmlfile==1.1.0
 joblib==1.3.2
-
+nltk==3.9.1
 numpy==1.26.2
 openpyxl==3.1.2
 pandas==2.1.4