Fixed a Typo in the settings widget

Author: TarBomb

Android/app/src/main/res/layout/settings_fragment.xml

@@ -22,7 +22,7 @@
         android:layout_height="wrap_content"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:helperText="Format: 192.168.101:4321"
+        app:helperText="Format: 192.168.168.x:4321"
         android:layout_marginHorizontal="@dimen/horizontal_margin"
         >
 
@@ -46,4 +46,4 @@
         android:text="Save"
         />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>