update readme for properties

Author: Matthias Leutenegger

README.md

@@ -37,8 +37,12 @@ composer require --dev syntro/silverstripe-phpstan
 * [Advanced Usage](docs/en/advanced-usage.md)
 * [License](LICENSE.md)
 
-## Known Limitations
+## Known Limitations / Gotchas
 
+* PHPStan checks if properties are actually initialized, read and written. This
+however does not apply to Silverstripes [configuration properties](https://docs.silverstripe.org/en/4/developer_guides/configuration/configuration/#configuration-properties).
+In order to tell PHPStan which of your properties are configuration values, you have
+to use the [`@config` docblock](https://docs.silverstripe.org/en/4/developer_guides/configuration/configuration/#configuration-properties).
 * The type of the `owner` property can't be reasoned about for extensions. You must use `getOwner()`. Related Issues: [#1043](https://github.com/phpstan/phpstan/issues/1043) and [#1044](https://github.com/phpstan/phpstan/issues/1044)
 
 ## Credits

docs/en/advanced-usage.md

@@ -11,7 +11,7 @@ parameters:
         # SS_List is basically ArrayList and DataList. Consider filter/sort/etc supported.
         - '#Call to an undefined method SS_List::#'
 includes:
-    - vendor/symbiote/silverstripe-phpstan/extension.neon
+    - vendor/syntro/silverstripe-phpstan/extension.neon
 ```
 
 # PHPUnit testing with a base SilverStripe project
@@ -26,12 +26,12 @@ NOTE: The '.' in the above command means it'll output the files in the current d
 
 3) Execute the following from the project directory to run tests:
 ```
-vendor/bin/phpunit -c vendor/syntro/silverstripe-phpstan/tests/phpunit.xml vendor/symbiote/silverstripe-phpstan/tests/
+vendor/bin/phpunit -c vendor/syntro/silverstripe-phpstan/tests/phpunit.xml vendor/syntro/silverstripe-phpstan/tests/
 ```
 
 # Debugging
 
 By adding --debug to the list of parameters, you can make PHPStan crash when it hits an error.
 This is incredibly useful for PRs or helping raise issues.
 
-`./vendor/bin/phpstan.phar.bat analyse ptv-mpw/src -c "phpstan.neon" -a "vendor/symbiote/silverstripe-phpstan/bootstrap.php" --level 2 --debug`
+`./vendor/bin/phpstan.phar.bat analyse ptv-mpw/src -c "phpstan.neon" -a "vendor/syntro/silverstripe-phpstan/bootstrap.php" --level 2 --debug`

docs/en/quick-start.md

@@ -8,7 +8,7 @@ includes:
 
 2. Execute from project dir:
 ```
-vendor/bin/phpstan analyse app/src -c phpstan.neon -a vendor/symbiote/silverstripe-phpstan/bootstrap.php --level 4
+vendor/bin/phpstan analyse app/src -c phpstan.neon -a vendor/syntro/silverstripe-phpstan/bootstrap.php --level 4
 ```
 
 3. Visit the [PHPStan Github](https://github.com/phpstan/phpstan) for additional information. Try adjusting the `--level`, lower = less strict, higher = more strict.