diff --git a/README.md b/README.md
index af80e20..b9b3fdc 100644
--- a/README.md
+++ b/README.md
@@ -3,4 +3,4 @@
 1. [Introduction](articles/1.%20Introduction.md)
 2. [Basic extension](articles/2.%20Basic%20extension.md) - [Extension](https://store.falkon.org/p/1301043/)
 3. [Adding a button to the toolbar](articles/3.%20Adding%20a%20button%20to%20the%20toolbar.md) - [Extension](extensions/Tutorial3/)
-4. [Adding entry to the extension menu](articles/4.%20Adding%20entry%20to%20the%20extension%20menu) - [Extension](extensions/Tutorial4/)
+4. [Adding entry to the extension menu](articles/4.%20Adding%20entry%20to%20the%20extension%20menu.md) - [Extension](extensions/Tutorial4/)