diff --git a/tests/dummy/app/i18n/translations.coffee b/tests/dummy/app/i18n/translations.coffee
index 3651e3d..6fa93a1 100644
--- a/tests/dummy/app/i18n/translations.coffee
+++ b/tests/dummy/app/i18n/translations.coffee
@@ -68,6 +68,7 @@ window.$translations =
         between: 'Tussen'
         inclusive: 'inclusief'
         lower_larger_than_upper_error: 'beneden grens (%{lower}) mag niet groter zijn dan de boverngrens (%{upper}).'
+        inclusive_explanation: '<p>Include the <i><b>lower</b></i> and <i><b>upper</b></i> limits as valid elements.</p><ul><li>[a, b] means all the "x" elements that a <= x <= b</li><li>(a, b) means all the "x" elements that a < x < b</li></ul>'
 
 import model_translations from './translations/models'
 Ember.assign window.$translations.en, model_translations