diff --git a/degtyarev_mikhail_lab_4/Readme.md b/degtyarev_mikhail_lab_4/Readme.md
index aba9e22..07faf35 100644
--- a/degtyarev_mikhail_lab_4/Readme.md
+++ b/degtyarev_mikhail_lab_4/Readme.md
@@ -1,4 +1,4 @@
-# Лабораторная 3
+# Лабораторная 4
 ## Вариант 9
 
 ## Задание