diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index bd2b0372b..3c7916fcf 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -599,6 +599,7 @@
     <string name="fwinstaller_firmware_not_compatible_to_device">This firmware is not compatible with the device</string>
     <string name="miband_prefs_reserve_alarm_calendar">Alarms to reserve for upcoming events</string>
     <string name="miband_prefs_reserve_reminder_calendar">Reminders to reserve for upcoming events</string>
+    <string name="prefs_reserve_reminder_calendar_summary">Number of calendar events that will be synchronized</string>
     <string name="miband_prefs_hr_sleep_detection">Use heart rate sensor to improve sleep detection</string>
     <string name="miband_prefs_device_time_offset_hours">Device time offset in hours (for detecting sleep of shift workers)</string>
     <string name="prefs_find_phone">Find phone</string>
diff --git a/app/src/main/res/xml/devicesettings_reserve_reminders_calendar.xml b/app/src/main/res/xml/devicesettings_reserve_reminders_calendar.xml
index e7473ed64..dc6bb6fa2 100644
--- a/app/src/main/res/xml/devicesettings_reserve_reminders_calendar.xml
+++ b/app/src/main/res/xml/devicesettings_reserve_reminders_calendar.xml
@@ -4,10 +4,12 @@
     <EditTextPreference
         android:icon="@drawable/ic_access_alarms"
         android:defaultValue="9"
+        android:dependency="sync_calendar"
         android:digits="0123"
         android:inputType="number"
         android:key="reserve_reminders_calendar"
         android:maxLength="1"
-        android:title="@string/miband_prefs_reserve_reminder_calendar" />
+        android:title="@string/miband_prefs_reserve_reminder_calendar"
+        android:summary="@string/prefs_reserve_reminder_calendar_summary" />
 
 </androidx.preference.PreferenceScreen>