diff --git a/app/src/main/res/values-ar/strings.xml b/app/src/main/res/values-ar/strings.xml
index 23498325..10568cca 100644
--- a/app/src/main/res/values-ar/strings.xml
+++ b/app/src/main/res/values-ar/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">ارسال بريد الكتروني الى مجموعة</string>
     <string name="create_new_contact">إنشاء جهة إتصال</string>
     <string name="add_to_existing_contact">إضافة إلى جهة موجودة</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">لا توجد جهات اتصال بهذا البريد الالكتروني</string>
diff --git a/app/src/main/res/values-az/strings.xml b/app/src/main/res/values-az/strings.xml
index fa33a8fc..23a1fdf8 100644
--- a/app/src/main/res/values-az/strings.xml
+++ b/app/src/main/res/values-az/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Grupa e-poçt göndər</string>
     <string name="create_new_contact">Create new contact</string>
     <string name="add_to_existing_contact">Add to an existing contact</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">No contacts with emails have been found</string>
diff --git a/app/src/main/res/values-cs/strings.xml b/app/src/main/res/values-cs/strings.xml
index 3fdddf16..dc60072b 100644
--- a/app/src/main/res/values-cs/strings.xml
+++ b/app/src/main/res/values-cs/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Poslat skupině e-mail</string>
     <string name="create_new_contact">Vytvořit nový kontakt</string>
     <string name="add_to_existing_contact">Přidat k existujícímu kontaktu</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Nenalezeny žádné kontakty s e-maily</string>
diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index df732282..f38adf26 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Anfon ebost at grŵp</string>
     <string name="create_new_contact">Creu cyswllt newydd</string>
     <string name="add_to_existing_contact">Ychwanegu at gyswllt sy\'n bodoli</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Ni chanfuwyd unrhyw gysylltiadau gydag ebost</string>
diff --git a/app/src/main/res/values-da/strings.xml b/app/src/main/res/values-da/strings.xml
index 6300e77b..be6cbe53 100644
--- a/app/src/main/res/values-da/strings.xml
+++ b/app/src/main/res/values-da/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Send email til gruppe</string>
     <string name="create_new_contact">Opret ny kontakt</string>
     <string name="add_to_existing_contact">Tilføj til en eksisterende kontakt</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Ingen kontakter med emails fundet</string>
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index d35ef4b2..1b3a68c9 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">E-Mail an Gruppe senden</string>
     <string name="create_new_contact">Neuen Kontakt erstellen</string>
     <string name="add_to_existing_contact">Zu einem existierenden Kontakt hinzufügen</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Keine Kontakte mit E-Mailadressen gefunden</string>
diff --git a/app/src/main/res/values-el/strings.xml b/app/src/main/res/values-el/strings.xml
index 45580cfd..2e90f523 100644
--- a/app/src/main/res/values-el/strings.xml
+++ b/app/src/main/res/values-el/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Αποστολή email σε ομάδες</string>
     <string name="create_new_contact">Δημιουργία νέας Επαφής</string>
     <string name="add_to_existing_contact">Προσθήκη σε μια υπάρχουσα Επαφή</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Δεν βρέθηκαν Επαφές με emails</string>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index c5570301..8717e173 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Enviar correo electrónico a grupo</string>
     <string name="create_new_contact">Crear nuevo contacto</string>
     <string name="add_to_existing_contact">Añadir a un contacto existente</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">No se encontraron contactos con correo electrónico</string>
diff --git a/app/src/main/res/values-eu/strings.xml b/app/src/main/res/values-eu/strings.xml
index 97a7def2..7098089f 100644
--- a/app/src/main/res/values-eu/strings.xml
+++ b/app/src/main/res/values-eu/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Bidali emaila taldeari</string>
     <string name="create_new_contact">Create new contact</string>
     <string name="add_to_existing_contact">Add to an existing contact</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">No contacts with emails have been found</string>
diff --git a/app/src/main/res/values-fi/strings.xml b/app/src/main/res/values-fi/strings.xml
index f79d45cf..a292d2d5 100644
--- a/app/src/main/res/values-fi/strings.xml
+++ b/app/src/main/res/values-fi/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Lähetä sähköposti ryhmälle</string>
     <string name="create_new_contact">Luo uusi yhteystieto</string>
     <string name="add_to_existing_contact">Lisää olemassa olevaan yhteystietoon</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Sähköpostillisia yhteystietoja ei löytynyt</string>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 64b5e49c..4c777a56 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -14,7 +14,7 @@
      <string name="send_email_to_group">Envoyer un courriel au groupe</string>
      <string name="create_new_contact">Créer un nouveau contact</string>
      <string name="add_to_existing_contact">Ajouter à un contact existant</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Aucun contact avec des adresses courriel n\’a été trouvé</string>
diff --git a/app/src/main/res/values-hi-rIN/strings.xml b/app/src/main/res/values-hi-rIN/strings.xml
index 2a128f63..63b23bd0 100644
--- a/app/src/main/res/values-hi-rIN/strings.xml
+++ b/app/src/main/res/values-hi-rIN/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Send email to group</string>
     <string name="create_new_contact">Create new contact</string>
     <string name="add_to_existing_contact">Add to an existing contact</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">No contacts with emails have been found</string>
diff --git a/app/src/main/res/values-hr/strings.xml b/app/src/main/res/values-hr/strings.xml
index 364795d4..f275daa6 100644
--- a/app/src/main/res/values-hr/strings.xml
+++ b/app/src/main/res/values-hr/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Pošalji e-poštu grupi</string>
     <string name="create_new_contact">Stvori novi kontakt</string>
     <string name="add_to_existing_contact">Dodaj postojećem kontaktu</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Nije pronađen nijedan kontakt s e-poštom</string>
diff --git a/app/src/main/res/values-hu/strings.xml b/app/src/main/res/values-hu/strings.xml
index 9feabe27..e7d35ef8 100644
--- a/app/src/main/res/values-hu/strings.xml
+++ b/app/src/main/res/values-hu/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Email küldése csoportnak</string>
     <string name="create_new_contact">Új névjegy hozzáadása</string>
     <string name="add_to_existing_contact">Hozzáadás meglévő névjegyhez</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Nincs emailt tartalmazó névjegy.</string>
diff --git a/app/src/main/res/values-id/strings.xml b/app/src/main/res/values-id/strings.xml
index 388e5a91..505f1085 100644
--- a/app/src/main/res/values-id/strings.xml
+++ b/app/src/main/res/values-id/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Kirim surel ke grup</string>
     <string name="create_new_contact">Buat kontak baru</string>
     <string name="add_to_existing_contact">Tambah ke kontak yang ada</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Tidak ada kontak dengan alamat surel yang ditemukan</string>
diff --git a/app/src/main/res/values-in/strings.xml b/app/src/main/res/values-in/strings.xml
index 388e5a91..505f1085 100644
--- a/app/src/main/res/values-in/strings.xml
+++ b/app/src/main/res/values-in/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Kirim surel ke grup</string>
     <string name="create_new_contact">Buat kontak baru</string>
     <string name="add_to_existing_contact">Tambah ke kontak yang ada</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Tidak ada kontak dengan alamat surel yang ditemukan</string>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index 2cb45682..2910b125 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Invia un\'email al gruppo</string>
     <string name="create_new_contact">Crea un nuovo contatto</string>
     <string name="add_to_existing_contact">Aggiungi a un contatto esistente</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Nessun contatto trovato con un\'email</string>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 540998c6..0c338975 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">グループにメールを送信</string>
     <string name="create_new_contact">新しい連絡先を作成</string>
     <string name="add_to_existing_contact">既存の連絡先に追加</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">メールアドレスが登録された連絡先が見つかりません</string>
diff --git a/app/src/main/res/values-ko-rKR/strings.xml b/app/src/main/res/values-ko-rKR/strings.xml
index 642c75ad..312fde32 100644
--- a/app/src/main/res/values-ko-rKR/strings.xml
+++ b/app/src/main/res/values-ko-rKR/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Send email to group</string>
     <string name="create_new_contact">Create new contact</string>
     <string name="add_to_existing_contact">Add to an existing contact</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">No contacts with emails have been found</string>
diff --git a/app/src/main/res/values-lt/strings.xml b/app/src/main/res/values-lt/strings.xml
index a0cfb72f..e5a8f8e6 100644
--- a/app/src/main/res/values-lt/strings.xml
+++ b/app/src/main/res/values-lt/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Send email to group</string>
     <string name="create_new_contact">Create new contact</string>
     <string name="add_to_existing_contact">Add to an existing contact</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">No contacts with emails have been found</string>
diff --git a/app/src/main/res/values-ml/strings.xml b/app/src/main/res/values-ml/strings.xml
index b17fa6b0..24911921 100644
--- a/app/src/main/res/values-ml/strings.xml
+++ b/app/src/main/res/values-ml/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">ഗ്രൂപ്പിലേക്ക് ഇമെയിൽ അയയ്ക്കുക</string>
     <string name="create_new_contact">പുതിയ കോൺ‌ടാക്റ്റ് സൃഷ്‌ടിക്കുക</string>
     <string name="add_to_existing_contact">നിലവിലുള്ള കോൺ‌ടാക്റ്റിലേക്ക് ചേർക്കുക</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">ഇമെയിലുകളില്ലാത്ത കോൺടാക്റ്റുകൾ കണ്ടെത്തിയില്ല</string>
diff --git a/app/src/main/res/values-nl/strings.xml b/app/src/main/res/values-nl/strings.xml
index 6df3dbd6..16f9d5af 100644
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">E-mail naar groep sturen</string>
     <string name="create_new_contact">Nieuw contact</string>
     <string name="add_to_existing_contact">Aan bestaand contact toevoegen</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Geen contacten met e-mailadressen gevonden</string>
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 050c63b7..5ec5d260 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Wyślij e-mail do grupy</string>
     <string name="create_new_contact">Utwórz nowy kontakt</string>
     <string name="add_to_existing_contact">Dodaj do istniejącego kontaktu</string>
-    <string name="fields_empty">Należy wypełnić co najmniej jedno pole</string>
+    <string name="fields_empty">Należy wypełnić co najmniej 1 pole</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Nie znaleziono kontaktów z adresami e-mail</string>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index 62db91b9..3582e871 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Enviar e-mail ao grupo</string>
     <string name="create_new_contact">Criar novo contato</string>
     <string name="add_to_existing_contact">Adicionar um contato existente</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Não foram encontrados contatos com e-mails</string>
diff --git a/app/src/main/res/values-pt/strings.xml b/app/src/main/res/values-pt/strings.xml
index 9dfb2df4..4fc5029f 100644
--- a/app/src/main/res/values-pt/strings.xml
+++ b/app/src/main/res/values-pt/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Enviar e-mail para o grupo</string>
     <string name="create_new_contact">Criar novo contacto</string>
     <string name="add_to_existing_contact">Adicionar a um contacto existente</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Não existem contactos com endereço de e-mail</string>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 4961c771..c718ec8b 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Отправить письмо группе</string>
     <string name="create_new_contact">Создать новый контакт</string>
     <string name="add_to_existing_contact">Добавить к существующему контакту</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Контакты с адресами электронной почты не найдены</string>
diff --git a/app/src/main/res/values-sk/strings.xml b/app/src/main/res/values-sk/strings.xml
index 74410b44..b48f9b2f 100644
--- a/app/src/main/res/values-sk/strings.xml
+++ b/app/src/main/res/values-sk/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Poslať skupine email</string>
     <string name="create_new_contact">Vytvoriť nový kontakt</string>
     <string name="add_to_existing_contact">Pridať k existujúcemu kontaktu</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Nenašli sa žiadne kontakty s emailami</string>
diff --git a/app/src/main/res/values-sv/strings.xml b/app/src/main/res/values-sv/strings.xml
index b411dec6..21566b61 100644
--- a/app/src/main/res/values-sv/strings.xml
+++ b/app/src/main/res/values-sv/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Skicka e-post till grupp</string>
     <string name="create_new_contact">Skapa ny kontakt</string>
     <string name="add_to_existing_contact">Lägg till i en befintlig kontakt</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Inga kontakter med e-postadresser hittades</string>
diff --git a/app/src/main/res/values-tr/strings.xml b/app/src/main/res/values-tr/strings.xml
index 25453ec1..c526562c 100644
--- a/app/src/main/res/values-tr/strings.xml
+++ b/app/src/main/res/values-tr/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Gruba e-posta gönder</string>
     <string name="create_new_contact">Yeni kişi oluştur</string>
     <string name="add_to_existing_contact">Mevcut bir kişiye ekle</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">E-posta ile hiç bağlantı bulunamadı</string>
diff --git a/app/src/main/res/values-uk/strings.xml b/app/src/main/res/values-uk/strings.xml
index a6afb04b..7492fc93 100644
--- a/app/src/main/res/values-uk/strings.xml
+++ b/app/src/main/res/values-uk/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Надіслати електронний лист групі контактів</string>
     <string name="create_new_contact">Створити новий контакт</string>
     <string name="add_to_existing_contact">Додати до існуючого контакту</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">Не знайдено контактів з електронною поштою</string>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 1697454c..455ee00a 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">发送电子邮件给群组</string>
     <string name="create_new_contact">建立新联系人</string>
     <string name="add_to_existing_contact">添加至已存在的联系人</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">未发现含有电子邮箱的联系人</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 1c569ecb..aab8f716 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">發送電子郵件給群組</string>
     <string name="create_new_contact">建立新聯絡人</string>
     <string name="add_to_existing_contact">添加至已存在的聯絡人</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">未發現含有電子信箱的聯絡人</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2a128f63..63b23bd0 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -14,7 +14,7 @@
     <string name="send_email_to_group">Send email to group</string>
     <string name="create_new_contact">Create new contact</string>
     <string name="add_to_existing_contact">Add to an existing contact</string>
-    <string name="fields_empty">At least one field should be filled out</string>
+    <string name="fields_empty">At least 1 field has to be filled out</string>
 
     <!-- Placeholders -->
     <string name="no_contacts_with_emails">No contacts with emails have been found</string>