diff --git a/README.md b/README.md
index c5a9591..43e6c6d 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,9 @@
 A repository for the programming project.
 
 
-Project created by using Python 3.8 and PyCharm.
+Project created by using Python 3.7 and PyCharm.
+
+You need to install "np" and "opencv-python" repository.
 
 **To start the program, enter "python main.py <image>". The default image is "wypelniony_arkusz_poprawne_odp.jpg"**