diff --git a/src/locale/lang/en-US.ts b/src/locale/lang/en-US.ts
index 78d5e53e0..49010945a 100644
--- a/src/locale/lang/en-US.ts
+++ b/src/locale/lang/en-US.ts
@@ -18,7 +18,7 @@ export default {
     title: 'Calendar',
     weekdays: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
     monthTitle: (year: number, month: number) => `${year}/${month}`,
-    rangePrompt: (maxRange: Number) => `Choose no more than ${maxRange} days`,
+    rangePrompt: (maxRange: number) => `Choose no more than ${maxRange} days`,
   },
   vanContactCard: {
     addText: 'Add contact info',
diff --git a/src/locale/lang/es-ES.ts b/src/locale/lang/es-ES.ts
index fcf5e268f..5521e969a 100644
--- a/src/locale/lang/es-ES.ts
+++ b/src/locale/lang/es-ES.ts
@@ -18,7 +18,7 @@ export default {
     title: 'Calendario',
     weekdays: ['Dom', 'Lun', 'Mar', 'Mié', 'Jue', 'Vie', 'Sáb'],
     monthTitle: (year: number, month: number) => `${year}/${month}`,
-    rangePrompt: (maxRange: Number) => `Elija no más de ${maxRange} días`,
+    rangePrompt: (maxRange: number) => `Elija no más de ${maxRange} días`,
   },
   vanContactCard: {
     addText: 'Añadir información de contacto',
diff --git a/src/locale/lang/tr-TR.ts b/src/locale/lang/tr-TR.ts
index f39ad74bf..aad4bde69 100644
--- a/src/locale/lang/tr-TR.ts
+++ b/src/locale/lang/tr-TR.ts
@@ -18,7 +18,7 @@ export default {
     title: 'Takvim',
     weekdays: ['Paz', 'Pzt', 'Sal', 'Çar', 'Per', 'Cum', 'Cmt'],
     monthTitle: (year: number, month: number) => `${year}/${month}`,
-    rangePrompt: (maxRange: Number) => `En fazla ${maxRange} gün seçin`,
+    rangePrompt: (maxRange: number) => `En fazla ${maxRange} gün seçin`,
   },
   vanContactCard: {
     addText: 'Kişi bilgisi ekle',
diff --git a/src/locale/lang/zh-CN.ts b/src/locale/lang/zh-CN.ts
index 77266893d..a6aa2c12b 100644
--- a/src/locale/lang/zh-CN.ts
+++ b/src/locale/lang/zh-CN.ts
@@ -19,7 +19,7 @@ export default {
     confirm: '确定',
     weekdays: ['日', '一', '二', '三', '四', '五', '六'],
     monthTitle: (year: number, month: number) => `${year}年${month}月`,
-    rangePrompt: (maxRange: Number) => `选择天数不能超过 ${maxRange} 天`,
+    rangePrompt: (maxRange: number) => `选择天数不能超过 ${maxRange} 天`,
   },
   vanContactCard: {
     addText: '添加联系人',
diff --git a/src/locale/lang/zh-HK.ts b/src/locale/lang/zh-HK.ts
index 3f309358b..78d912fa1 100644
--- a/src/locale/lang/zh-HK.ts
+++ b/src/locale/lang/zh-HK.ts
@@ -19,7 +19,7 @@ export default {
     confirm: '確定',
     weekdays: ['日', '壹', '二', '三', '四', '五', '六'],
     monthTitle: (year: number, month: number) => `${year}年${month}月`,
-    rangePrompt: (maxRange: Number) => `選擇天數不能超過 ${maxRange} 天`,
+    rangePrompt: (maxRange: number) => `選擇天數不能超過 ${maxRange} 天`,
   },
   vanContactCard: {
     addText: '添加聯系人',
diff --git a/src/locale/lang/zh-TW.ts b/src/locale/lang/zh-TW.ts
index 16a765583..2992dba8b 100644
--- a/src/locale/lang/zh-TW.ts
+++ b/src/locale/lang/zh-TW.ts
@@ -19,7 +19,7 @@ export default {
     confirm: '確定',
     weekdays: ['日', '壹', '二', '三', '四', '五', '六'],
     monthTitle: (year: number, month: number) => `${year}年${month}月`,
-    rangePrompt: (maxRange: Number) => `選擇天數不能超過 ${maxRange} 天`,
+    rangePrompt: (maxRange: number) => `選擇天數不能超過 ${maxRange} 天`,
   },
   vanContactCard: {
     addText: '新增聯絡人',