diff --git a/Nefarius.Peripherals.SerialPort/SerialPort.cs b/Nefarius.Peripherals.SerialPort/SerialPort.cs
index 0dac294..c51177f 100644
--- a/Nefarius.Peripherals.SerialPort/SerialPort.cs
+++ b/Nefarius.Peripherals.SerialPort/SerialPort.cs
@@ -56,9 +56,9 @@ public partial class SerialPort : IDisposable
     }
 
     /// <summary>
-    ///     Opens the com port and configures it with the required settings
+    ///     Opens the com port and configures it with the required settings.
     /// </summary>
-    /// <returns>false if the port could not be opened</returns>
+    /// <returns>false if the port could not be opened due to missing permissions.</returns>
     public bool Open()
     {
         DCB portDcb = new();
diff --git a/PInvokeSerialPort.Sample/Program.cs b/PInvokeSerialPort.Sample/Program.cs
index 0d3358f..8ebda6f 100755
--- a/PInvokeSerialPort.Sample/Program.cs
+++ b/PInvokeSerialPort.Sample/Program.cs
@@ -1,4 +1,5 @@
 using System;
+
 using Nefarius.Peripherals.SerialPort;
 
 namespace PInvokeSerialPort.Sample;
@@ -7,7 +8,7 @@ internal class Program
 {
     private static void Main(string[] args)
     {
-        var serialPort = new SerialPort("com7") { UseRts = HsOutput.Online };
+        SerialPort serialPort = new SerialPort("com5") { UseRts = HsOutput.Online };
 
         serialPort.DataReceived += x =>
         {