diff --git a/app/src/main/res/values-b+en+001/strings.xml b/app/src/main/res/values-b+en+001/strings.xml
index 951a1092..7732694f 100644
--- a/app/src/main/res/values-b+en+001/strings.xml
+++ b/app/src/main/res/values-b+en+001/strings.xml
@@ -112,11 +112,13 @@
     <!-- Array: font size -->
     <string-array name="fontSize_entries">
         <item>Small</item>
+        <item>Medium</item>
         <item>Large</item>
     </string-array>
 
     <!-- Array: background synchronization -->
     <string-array name="sync_entries">
+        <item>Off</item>
         <item>15 minutes</item>
         <item>1 hour</item>
         <item>6 hours</item>
@@ -125,6 +127,7 @@
     <string-array name="darkmode_entries">
         <item>Light</item>
         <item>Dark</item>
+        <item>System Default</item>
     </string-array>
 
     <!-- Plurals -->
diff --git a/app/src/main/res/values-ca/strings.xml b/app/src/main/res/values-ca/strings.xml
index 7b954eb7..d617be15 100644
--- a/app/src/main/res/values-ca/strings.xml
+++ b/app/src/main/res/values-ca/strings.xml
@@ -149,6 +149,7 @@
     <string-array name="darkmode_entries">
         <item>Clar</item>
         <item>Fosc</item>
+        <item>Predeterminat del sistema</item>
     </string-array>
 
     <!-- Plurals -->
diff --git a/app/src/main/res/values-da/strings.xml b/app/src/main/res/values-da/strings.xml
index 1fa41a33..57d19c25 100644
--- a/app/src/main/res/values-da/strings.xml
+++ b/app/src/main/res/values-da/strings.xml
@@ -139,7 +139,7 @@
     <!-- Array: font size -->
     <string-array name="fontSize_entries">
         <item>Lille</item>
-        <item>Mellem</item>
+        <item>Mellem</item>Predeterminat del sistema
         <item>Stor</item>
     </string-array>
 
@@ -154,6 +154,7 @@
     <string-array name="darkmode_entries">
         <item>Lys</item>
         <item>Mørk</item>
+        <item>System standard</item>
     </string-array>
 
     <!-- Plurals -->
diff --git a/app/src/main/res/values-es-rAR/strings.xml b/app/src/main/res/values-es-rAR/strings.xml
index b80f95dc..7a483754 100644
--- a/app/src/main/res/values-es-rAR/strings.xml
+++ b/app/src/main/res/values-es-rAR/strings.xml
@@ -120,6 +120,7 @@
 
     <!-- Array: background synchronization -->
     <string-array name="sync_entries">
+        <item>Apagado</item>
         <item>15 minutos</item>
         <item>1 hora</item>
         <item>6 horas</item>
@@ -128,6 +129,7 @@
     <string-array name="darkmode_entries">
         <item>Claro</item>
         <item>Oscuro</item>
+        <item>Sistema por defecto</item>
     </string-array>
 
     <!-- Plurals -->
diff --git a/app/src/main/res/values-fa/strings.xml b/app/src/main/res/values-fa/strings.xml
index 633b7b89..4ec31e76 100644
--- a/app/src/main/res/values-fa/strings.xml
+++ b/app/src/main/res/values-fa/strings.xml
@@ -152,6 +152,7 @@
     <string-array name="darkmode_entries">
         <item>روشن</item>
         <item>تیره</item>
+        <item>پیش فرض سیستم</item>
     </string-array>
 
     <!-- Plurals -->
diff --git a/app/src/main/res/values-he/strings.xml b/app/src/main/res/values-he/strings.xml
index 5b338476..22eea1b5 100644
--- a/app/src/main/res/values-he/strings.xml
+++ b/app/src/main/res/values-he/strings.xml
@@ -113,11 +113,13 @@
     <!-- Array: font size -->
     <string-array name="fontSize_entries">
         <item>קטן</item>
+        <item>בינוני</item>
         <item>גדול</item>
     </string-array>
 
     <!-- Array: background synchronization -->
     <string-array name="sync_entries">
+        <item>כבוי</item>
         <item>15 דקות</item>
         <item>שעה</item>
         <item>6 שעות</item>
@@ -126,6 +128,7 @@
     <string-array name="darkmode_entries">
         <item>בהירה</item>
         <item>כהה</item>
+        <item>ברירת מחדל של המערכת</item>
     </string-array>
 
     <!-- Plurals -->
diff --git a/app/src/main/res/values-hr/strings.xml b/app/src/main/res/values-hr/strings.xml
index 9e4f0ffb..8f0e9d49 100644
--- a/app/src/main/res/values-hr/strings.xml
+++ b/app/src/main/res/values-hr/strings.xml
@@ -143,6 +143,7 @@
     <string-array name="darkmode_entries">
         <item>Svijetlo</item>
         <item>Tamno</item>
+        <item>Podrazumevani sistem</item>
     </string-array>
 
     <!-- Plurals -->
diff --git a/app/src/main/res/values-hu-rHU/strings.xml b/app/src/main/res/values-hu-rHU/strings.xml
index 2bbd0ee5..1e48b3bc 100644
--- a/app/src/main/res/values-hu-rHU/strings.xml
+++ b/app/src/main/res/values-hu-rHU/strings.xml
@@ -152,6 +152,7 @@
     <string-array name="darkmode_entries">
         <item>Világos</item>
         <item>Sötét</item>
+        <item>Rendszer alapértelmezés</item>
     </string-array>
 
     <!-- Plurals -->
diff --git a/app/src/main/res/values-is/strings.xml b/app/src/main/res/values-is/strings.xml
index ad463fc8..4cd73905 100644
--- a/app/src/main/res/values-is/strings.xml
+++ b/app/src/main/res/values-is/strings.xml
@@ -135,6 +135,7 @@
     <string-array name="darkmode_entries">
         <item>Ljóst</item>
         <item>Dökkt</item>
+        <item>Sjálfgefið kerfi</item>
     </string-array>
 
     <!-- Plurals -->
diff --git a/app/src/main/res/values-nb-rNO/strings.xml b/app/src/main/res/values-nb-rNO/strings.xml
index f4dcccb9..dbd0e7d5 100644
--- a/app/src/main/res/values-nb-rNO/strings.xml
+++ b/app/src/main/res/values-nb-rNO/strings.xml
@@ -125,6 +125,7 @@
     <!-- Array: background synchronization -->
     <string-array name="sync_entries">
         <item>ett kvarter</item>
+        <item>15 minuter</item>
         <item>1 time</item>
         <item>6 timer</item>
     </string-array>
@@ -132,6 +133,7 @@
     <string-array name="darkmode_entries">
         <item>Lys</item>
         <item>Mørk</item>
+        <item>System standard</item>
     </string-array>
 
     <!-- Plurals -->
diff --git a/app/src/main/res/values-sr-rSP/strings.xml b/app/src/main/res/values-sr-rSP/strings.xml
index 4effab43..4c2d7d20 100644
--- a/app/src/main/res/values-sr-rSP/strings.xml
+++ b/app/src/main/res/values-sr-rSP/strings.xml
@@ -136,6 +136,7 @@
     <string-array name="darkmode_entries">
         <item>Svetla</item>
         <item>Tamna</item>
+        <item>Podrazumevani sistem</item>
     </string-array>
 
     <!-- Plurals -->
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 5275619b..ff9e94a7 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -154,6 +154,7 @@
     <string-array name="darkmode_entries">
         <item>浅色</item>
         <item>深色</item>
+        <item>系统默认</item>
     </string-array>
 
     <!-- Plurals -->
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 63a9f03c..6a10d10c 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -130,7 +130,7 @@
     <string name="pref_value_theme_light" translatable="false">LIGHT</string>
     <string name="pref_value_theme_dark" translatable="false">DARK</string>
     <string name="pref_value_theme_system_default" translatable="false">SYSTEM_DEFAULT</string>
-    <!-- These values should not be translateable. They should be migrated at some point.  -->
+    <!-- These values should not be translatable. They should be migrated at some point.  -->
     <string name="pref_value_font_normal">Normal</string>
     <string name="pref_value_wifi_and_mobile">Sync on Wi-Fi and mobile data</string>
     <string name="pref_value_lock">Password protection</string>