diff --git a/app/src/main/java/eu/faircode/email/FragmentDialogSync.java b/app/src/main/java/eu/faircode/email/FragmentDialogSync.java
index 92caa6952c..780d3334e0 100644
--- a/app/src/main/java/eu/faircode/email/FragmentDialogSync.java
+++ b/app/src/main/java/eu/faircode/email/FragmentDialogSync.java
@@ -48,6 +48,7 @@ public class FragmentDialogSync extends FragmentDialogBase {
         View view = LayoutInflater.from(getContext()).inflate(R.layout.dialog_sync, null);
         final TextView tvFolder = view.findViewById(R.id.tvFolder);
         final EditText etMonths = view.findViewById(R.id.etMonths);
+        final TextView tvRemark = view.findViewById(R.id.tvRemark);
 
         if (fid < 0) {
             if (TextUtils.isEmpty(type))
@@ -59,6 +60,13 @@ public class FragmentDialogSync extends FragmentDialogBase {
 
         etMonths.setText(null);
 
+        tvRemark.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Helper.viewFAQ(view.getContext(), 39);
+            }
+        });
+
         return new AlertDialog.Builder(getContext())
                 .setView(view)
                 .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
diff --git a/app/src/main/res/layout/dialog_sync.xml b/app/src/main/res/layout/dialog_sync.xml
index ef5c65b94f..8ce99d2579 100644
--- a/app/src/main/res/layout/dialog_sync.xml
+++ b/app/src/main/res/layout/dialog_sync.xml
@@ -55,10 +55,12 @@
         app:layout_constraintTop_toTopOf="@id/etMonths" />
 
     <eu.faircode.email.FixedTextView
-        android:id="@+id/tvSystem"
+        android:id="@+id/tvRemark"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="12dp"
+        android:drawableEnd="@drawable/twotone_info_24"
+        android:drawablePadding="6dp"
         android:text="@string/title_synchronize_more_hint"
         android:textAppearance="@style/TextAppearance.AppCompat.Small"
         android:textStyle="italic"