Updated docs

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();