Issue #3231996: Ensure file system is writeable

src/Validator/WritableFileSystemValidator.php

@@ -13,7 +13,7 @@ use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 /**
  * Validates that important file system paths are writable.
  */
-class WriteableFileSystemValidator implements EventSubscriberInterface {
+class WritableFileSystemValidator implements EventSubscriberInterface {
 
   use StringTranslationTrait;