Fixed advanced app tutorial references to future sections

docs/guide/tutorial-advanced-app.md

@@ -65,8 +65,8 @@ Root directory contains a set of files.
 
 - `.gitignore` contains a list of directories ignored by git version system. If you need something never get to your source
   code repository, add it there.
-- `composer.json` - Composer config described in detail below.
-- `init` - initialization script described in "Composer config described in detail below".
+- `composer.json` - Composer config described in "Configuring Composer" below.
+- `init` - initialization script described in "Configuration and environments" below.
 - `init.bat` - same for Windows.
 - `LICENSE.md` - license info. Put your project license there. Especially when opensourcing.
 - `README.md` - basic info about installing template. Consider replacing it with information about your project and its