diff --git a/README.md b/README.md
index 3aab0ae..983a129 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,11 @@ The user can then select specific topics based on command-line arguments.
 The script tracks changes using MD5 hashes and ensures the database 
 reflects the current state of the markdown file.
 
+Script was writen on Python 3.11.
+It has two external libraries:
+ - markdown-it-py
+ - thefuzz[speedup]
+
 usage:  
 $ python3.11 markdown_sqlite.py --bootstrap  
 $ python3.11 markdown_sqlite.py September