Text improvement

Author: Maboroshy

midiscripter/gui/message_sender.py

@@ -110,7 +110,7 @@ def update_ports(self) -> None:
             self.output_selector.setDisabled(True)
             return
 
-        self.output_selector.setPlaceholderText('Output Port')
+        self.output_selector.setPlaceholderText('Select Output Port')
         self.output_selector.setDisabled(False)
 
         for port in enabled_ports: