diff --git a/docs.md b/docs.md
index b0e8971..58614ae 100644
--- a/docs.md
+++ b/docs.md
@@ -1,12 +1,15 @@
 # Table of content
-- Requirements
+- [Requirements](#requirements)
   - Home Assistant general
   - Port
   - HTTP or HTTPS
   - SSL Certificates
-- Android
-Authentication
-Supported list
-UI configuration
-Lovelace UI
-Log Viewer
+  - Android
+- Authentication
+- UI configuration
+  - Lovelace UI
+- Log Viewer
+
+# Requirements
+## Home Assistant general
+To check if you are using right configuration for app, try to access your Home Assistant web interface with the same protocol (http:// or https://), the same domain or IP and port. If it is not loading – the app will not work as well.