diff --git a/resources/lang/en/validation.php b/resources/lang/en/validation.php
index 87fb437c2a7..5fe5b4124e5 100644
--- a/resources/lang/en/validation.php
+++ b/resources/lang/en/validation.php
@@ -108,6 +108,7 @@
     'prohibits' => 'The :attribute field prohibits :other from being present.',
     'regex' => 'The :attribute format is invalid.',
     'required' => 'The :attribute field is required.',
+    'required_array_keys' => 'The :attribute field must contain entries for: :values',
     'required_if' => 'The :attribute field is required when :other is :value.',
     'required_unless' => 'The :attribute field is required unless :other is in :values.',
     'required_with' => 'The :attribute field is required when :values is present.',