i18n SimpleForm uses AR as attribute name fallback

config/locales/de/de.defaults.yml

@@ -237,6 +237,7 @@ de:
       invoice: Rechnung
     attributes:
       article:
+        availability: 'Artikel ist verfügbar?'
         price: Nettopreis
         gross_price: Bruttopreis
         unit: Einheit

config/locales/de/de.simple_form.yml

@@ -83,7 +83,6 @@ de:
         is_subscribed: 'abonniert?'
       article:
         name: 'Name'
-        availability: 'Artikel ist verfügbar?'
         origin: 'Herkunft'
         manufacturer: 'Produzent'
         unit: 'Einheit'

config/locales/en/en.defaults.yml

@@ -237,6 +237,7 @@ en:
       invoice: Invoice
     attributes:
       article:
+        availability: 'Is article available?'
         price: price
         gross_price: gross price
         unit: unit

config/locales/en/en.simple_form.yml

@@ -83,7 +83,6 @@ en:
         is_subscribed: 'subscribed?'
       article:
         name: 'Name'
-        availability: 'Is article available?'
         origin: 'Origin'
         manufacturer: 'Manufacturer'
         unit: 'Unit'