diff --git a/README.md b/README.md
index 1afa5d0..a8b729a 100644
--- a/README.md
+++ b/README.md
@@ -23,10 +23,10 @@ package.
 
 ## Installation
 
-The package could be installed with composer:
+The package could be installed with [Composer](https://getcomposer.org):
 
 ```shell
-composer require yiisoft/rbac-php --prefer-dist
+composer require yiisoft/rbac-php
 ```
 
 See [yiisoft/rbac](https://github.com/yiisoft/rbac) for RBAC package installation instructions.
@@ -80,8 +80,6 @@ In case you decide to manually edit the files, make sure to keep the following s
 Required and optional fields:
 
 ```php
-<?php
-
 return [
     [
         'name' => 'posts.update',
@@ -100,8 +98,6 @@ be used instead as a fallback.
 The structure for an item with children:
 
 ```php
-<?php
-
 return [
     [
         'name' => 'posts.redactor',
@@ -120,8 +116,6 @@ return [
 The complete example for managing posts:
 
 ```php
-<?php
-
 return [
     [
         'name' => 'posts.admin',        
@@ -359,36 +353,16 @@ When using database as a second storage, this can be done within a migration. De
 to either [RBAC Cycle example](https://github.com/yiisoft/rbac-cycle-db?tab=readme-ov-file#syncing-storages-manually) or 
 [RBAC DB example](https://github.com/yiisoft/rbac-db?tab=readme-ov-file#syncing-storages-manually).
 
-## Testing
-
-### Unit testing
-
-The package is tested with [PHPUnit](https://phpunit.de/). To run tests:
-
-```shell
-./vendor/bin/phpunit
-```
-
-### Mutation testing
-
-The package tests are checked with [Infection](https://infection.github.io/) mutation framework with
-[Infection Static Analysis Plugin](https://github.com/Roave/infection-static-analysis-plugin). To run it:
-
-```shell
-./vendor/bin/roave-infection-static-analysis-plugin
-```
-
-### Static analysis
+## Documentation
 
-The code is statically analyzed with [Psalm](https://psalm.dev/). To run static analysis:
+- [Internals](docs/internals.md)
 
-```shell
-./vendor/bin/psalm
-```
+If you need help or have a question, the [Yii Forum](https://forum.yiiframework.com/c/yii-3-0/63) is a good place for that.
+You may also check out other [Yii Community Resources](https://www.yiiframework.com/community).
 
 ## License
 
-The Yii Dependency Injection is free software. It is released under the terms of the BSD License.
+The Yii RBAC PHP File Storage is free software. It is released under the terms of the BSD License.
 Please see [`LICENSE`](./LICENSE.md) for more information.
 
 Maintained by [Yii Software](https://www.yiiframework.com/).
diff --git a/composer.json b/composer.json
index aee5035..6adeb54 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
         "issues": "https://github.com/yiisoft/rbac/issues",
         "forum": "https://www.yiiframework.com/forum/",
         "wiki": "https://www.yiiframework.com/wiki/",
-        "irc": "irc://irc.freenode.net/yii",
+        "irc": "ircs://irc.libera.chat:6697/yii",
         "chat": "https://t.me/yii3en",
         "source": "https://github.com/yiisoft/rbac"
     },
@@ -54,7 +54,9 @@
             "Yiisoft\\Rbac\\Php\\Tests\\": "tests",
             "Yiisoft\\Rbac\\Tests\\": "vendor/yiisoft/rbac/tests"
         },
-        "files": ["tests/bootstrap.php"]
+        "files": [
+            "tests/bootstrap.php"
+        ]
     },
     "config": {
         "sort-packages": true,
diff --git a/docs/internals.md b/docs/internals.md
new file mode 100644
index 0000000..0a0a1cd
--- /dev/null
+++ b/docs/internals.md
@@ -0,0 +1,44 @@
+# Internals
+
+## Unit testing
+
+The package is tested with [PHPUnit](https://phpunit.de/). To run tests:
+
+```shell
+./vendor/bin/phpunit
+```
+
+## Mutation testing
+
+The package tests are checked with [Infection](https://infection.github.io/) mutation framework with
+[Infection Static Analysis Plugin](https://github.com/Roave/infection-static-analysis-plugin). To run it:
+
+```shell
+./vendor/bin/roave-infection-static-analysis-plugin
+```
+
+## Static analysis
+
+The code is statically analyzed with [Psalm](https://psalm.dev/). To run static analysis:
+
+```shell
+./vendor/bin/psalm
+```
+
+## Code style
+
+Use [Rector](https://github.com/rectorphp/rector) to make codebase follow some specific rules or
+use either newest or any specific version of PHP:
+
+```shell
+./vendor/bin/rector
+```
+
+## Dependencies
+
+This package uses [composer-require-checker](https://github.com/maglnet/ComposerRequireChecker) to check if all
+dependencies are correctly defined in `composer.json`. To run the checker, execute the following command:
+
+```shell
+./vendor/bin/composer-require-checker
+```