Fix formatting in `FormFieldValidator` example

diff --git a/docs/php/api/form_builder/validation_data.md b/docs/php/api/form_builder/validation_data.md
index ac4f2e84a98fcf33b4a6dae883708825bac3162b..e3543e700779ca4e418c990b4f6a9931e51e5c25 100644 (file)
--- a/docs/php/api/form_builder/validation_data.md
+++ b/docs/php/api/form_builder/validation_data.md
@@ -55,7 +55,7 @@ $container->appendChildren([
                                );
                        }
                })),
-       ]);
+]);
 ```