Corrected translation string

Corrected the string to be the same as in:

    /Cake/View/Errors/fatal_error.ctp:35
    /Cake/View/Errors/missing_action.ctp:41
    /Cake/View/Errors/missing_behavior.ctp:38
    /Cake/View/Errors/missing_component.ctp:38
    /lib/Cake/View/Errors/missing_controller.ctp:38
    /lib/Cake/View/Errors/missing_database.ctp:31
    /Cake/View/Errors/missing_datasource.ctp:31
    /Cake/View/Errors/missing_datasource_config.ctp:27
    /Cake/View/Errors/missing_helper.ctp:38
    /lib/Cake/View/Errors/missing_layout.ctp:31
    /lib/Cake/View/Errors/missing_plugin.ctp:43
    /lib/Cake/View/Errors/missing_table.ctp:27
    /lib/Cake/View/Errors/missing_view.ctp:31
    /lib/Cake/View/Errors/pdo_error.ctp:37
    /lib/Cake/View/Errors/private_action.ctp:27
    /lib/Cake/View/Errors/scaffold_error.ctp:27