diff --git a/README b/README
index cce264e..b04df7c 100644
--- a/README
+++ b/README
@@ -14,7 +14,12 @@ Installation:
       
       CREATE DATABASE messenger;
       USE messenger;
-      source main/db.sql;
+      
+      # For new installation:
+      source main/create.sql
+      
+      # For updating existing installation:
+      source main/migrate.sql
       
       # Create user with password
       CREATE USER 'messenger'@'localhost' IDENTIFIED BY 'your_secure_password';
@@ -79,7 +84,8 @@ Files:
    configs/apache.conf.debian - Apache config for Debian/Alpine
    configs/php.ini - PHP configuration
    main/config.php - Database configuration (create from config.php.example)
-   main/db.sql - Database structure
+   main/create.sql - Initial database structure
+   main/migrate.sql - Database migrations
    main/index.php - Main page
    main/register.php - Registration
    main/api.php - Message API