diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8061748..6d567fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,5 @@
 # Yii Postgres Mutex Change Log
 
-
 ## 1.1.1 under development
 
 - no changes in this release.
diff --git a/README.md b/README.md
index b684bc6..a38a1d0 100644
--- a/README.md
+++ b/README.md
@@ -24,10 +24,10 @@ This library provides a PostgreSQL mutex implementation for [yiisoft/mutex](http
 
 ## Installation
 
-The package could be installed with composer:
+The package could be installed with [Composer](https://getcomposer.org):
 
 ```shell
-composer require yiisoft/mutex-pdo-pgsql --prefer-dist
+composer require yiisoft/mutex-pdo-pgsql
 ```
 
 ## General usage
@@ -99,36 +99,16 @@ $mutex = $mutex->withRetryDelay(100);
 
 By default, it is 50 milliseconds - it means that we may try to acquire lock up to 20 times per second.
 
-## Testing
+## Documentation
 
-### Unit testing
+- [Internals](docs/internals.md)
 
-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
-```
+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 PostgreSQL mutex is free software. It is released under the terms of the BSD License.
+The Yii Mutex Library - PostgreSQL PDO Driver 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 fd52803..f6a3542 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         "issues": "https://github.com/yiisoft/mutex-pdo-pgsql/issues?state=open",
         "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/mutex-pdo-pgsql"
     },
diff --git a/docs/internals.md b/docs/internals.md
new file mode 100644
index 0000000..b37b5b8
--- /dev/null
+++ b/docs/internals.md
@@ -0,0 +1,26 @@
+# 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
+```