diff --git a/public/i18n/en.json b/public/i18n/en.json
index b7dcda2..bdb8b20 100644
--- a/public/i18n/en.json
+++ b/public/i18n/en.json
@@ -31,7 +31,7 @@
   "fastcheck": {
     "subtitle": "Enter fastCHECK details or create a new one",
     "number_label": "fastCHECK number",
-    "number_placeholder": "1234-5678-0001",
+    "number_placeholder": "123456-123456-123456",
     "number_new": "New",
     "amount_label": "Amount",
     "amount_checking": "Checking…",
diff --git a/public/i18n/hy.json b/public/i18n/hy.json
index d59ae92..4edaf87 100644
--- a/public/i18n/hy.json
+++ b/public/i18n/hy.json
@@ -31,7 +31,7 @@
   "fastcheck": {
     "subtitle": "Մուտքագրեք fastCHECK տվյալները կամ ստեղծեք նորը",
     "number_label": "fastCHECK համար",
-    "number_placeholder": "1234-5678-0001",
+    "number_placeholder": "123456-123456-123456",
     "number_new": "Նոր",
     "amount_label": "Գումար",
     "amount_checking": "Ստուգվում է…",
diff --git a/public/i18n/ru.json b/public/i18n/ru.json
index 67b7781..144db1a 100644
--- a/public/i18n/ru.json
+++ b/public/i18n/ru.json
@@ -31,7 +31,7 @@
   "fastcheck": {
     "subtitle": "Введите данные fastCHECK или создайте новый",
     "number_label": "Номер fastCHECK",
-    "number_placeholder": "1234-5678-0001",
+    "number_placeholder": "123456-123456-123456",
     "number_new": "Новый",
     "amount_label": "Сумма",
     "amount_checking": "Проверяем…",