diff --git a/arr_stack/README.md b/arr_stack/README.md
index 373b306..1986897 100644
--- a/arr_stack/README.md
+++ b/arr_stack/README.md
@@ -1,6 +1,6 @@
-# APP_STACK
+# arr_stack
 
-- [APP\_STACK](#app_stack)
+- [arr\_stack](#arr_stack)
   - [Directory structure](#directory-structure)
   - [Connection check](#connection-check)