Added remove signature remark

app/src/main/res/layout/fragment_options_send.xml

@@ -681,6 +681,18 @@
                     app:layout_constraintTop_toBottomOf="@id/tvUsenetSignatureHint"
                     app:switchPadding="12dp" />
 
+                <eu.faircode.email.FixedTextView
+                    android:id="@+id/tvRemoveSignaturesHint"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="48dp"
+                    android:text="@string/title_advanced_remove_signature_hint"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                    android:textStyle="italic"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/swRemoveSignatures" />
+
                 <androidx.appcompat.widget.SwitchCompat
                     android:id="@+id/swReceipt"
                     android:layout_width="0dp"
@@ -689,7 +701,7 @@
                     android:text="@string/title_identity_receipt"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/swRemoveSignatures"
+                    app:layout_constraintTop_toBottomOf="@id/tvRemoveSignaturesHint"
                     app:switchPadding="12dp" />
 
                 <eu.faircode.email.FixedTextView

app/src/main/res/values/strings.xml

@@ -715,10 +715,11 @@
 
     <string name="title_advanced_suggest_names_hint">If disabled, only email addresses will be used when selecting contacts</string>
     <string name="title_advanced_suggest_local_hint">In addition to contacts provided by Android. Contact data will be stored for newly sent or received messages only when enabled.</string>
-    <string name="title_advanced_usenet_hint">Insert \'-- \' between the text and the signature</string>
     <string name="title_advanced_send_reminders_hint">Show a warning when the message text or the subject is empty or when an attachment might be missing</string>
     <string name="title_advanced_reply_all_hint">If disabled, long pressing the answer button will answer the sender</string>
     <string name="title_advanced_reply_move_hint">The email server could still add the messages to the sent message folder</string>
+    <string name="title_advanced_usenet_hint">Insert \'-- \' between the text and the signature</string>
+    <string name="title_advanced_remove_signature_hint">This can result in too little or too much text being removed</string>
 
     <string name="title_advanced_metered_hint">Metered connections are generally mobile connections or paid Wi-Fi hotspots</string>
     <string name="title_advanced_metered_warning">Disabling this option will disable receiving and sending messages on mobile internet connections</string>