Issue #3155400 by jungle, alexpott: Change $requirements["$file file writeable"] to $requirements["$file file writable"]

core/includes/install.core.inc

@@ -2195,7 +2195,7 @@ function install_check_requirements($install_state) {
       }
       // If the $file is not writable, throw an error.
       if (!$writable) {
-        $requirements["$file file writeable"] = [
+        $requirements["$file file writable"] = [
           'title' => $default_file_info['title'],
           'value' => t('The %file is not writable.', ['%file' => $default_file_info['title']]),
           'severity' => REQUIREMENT_ERROR,