diff --git a/src/ConfigTrait.php b/src/ConfigTrait.php
index 9f8a83c5..17ab16e0 100644
--- a/src/ConfigTrait.php
+++ b/src/ConfigTrait.php
@@ -10,7 +10,7 @@
  * 1. use Trait in your APP Class
  *    use \Atk4\Core\ConfigTrait;
  * 2. create config-default.php and/or config.php file and add config values like
- *    $config['key'] = 'value';
+ *    return ['key' => 'value'];
  * 3. call $this->readConfig();
  *    before using config.
  */
@@ -23,8 +23,8 @@ trait ConfigTrait
      * Read config file or files and store it in $config property.
      *
      * Supported formats:
-     *  php         - PHP file with return ['foo'] = 'bar' structure
-     *  json        - JSON file with {'foo':'bar'} structure
+     *  php         - PHP file with return ['foo' => 'bar'] structure
+     *  json        - JSON file with { 'foo': 'bar' } structure
      *  yaml        - YAML file with yaml structure
      *
      * @param string|array<int, string> $files  One or more filenames