* Fixed spelling mistake

Author: CodeDead

Advanced PortChecker/Windows/AboutWindow.xaml

@@ -28,7 +28,7 @@
                 <TextBlock.Text>Advanced PortChecker was created by DeadLine.
 
 Images: small-n-flat by paomedia
-Theme by: SyncFusion
+Theme by: Syncfusion
 Version: 1.2.0.0
 
 Copyright © CodeDead 2017</TextBlock.Text>