diff --git a/app/src/main/res/values-cs/strings.xml b/app/src/main/res/values-cs/strings.xml
index 9c724203e..d7df94859 100644
--- a/app/src/main/res/values-cs/strings.xml
+++ b/app/src/main/res/values-cs/strings.xml
@@ -1170,4 +1170,7 @@ Uživatelské jméno a heslo nejsou nikdy ukládány. Jsou použity pouze během
     <string name="apply_changes">Apply changes</string>
     <string name="restart_message">You need to restart the application to apply changes</string>
     <string name="restart">Restart</string>
+    <string name="pref_custom_theme">Use a custom theme</string>
+    <string name="pref_custom_theme_summary">Allow to override colors of the  selected theme above</string>
+    <string name="theming">Theming</string>
 </resources>