Update README.md

README.md

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 # PPerf
 PowerShell Iperf GUI
 
-A PowerShell script to start iperf and show the output
+A PowerShell script to start iperf and show the output (similar to Jperf)
 
 ## To do list
 * Rearrange interface
 * Add more iperf parameters to interface
 * Fix Bugs
+* Clean and improve the code
+* Add iperf3 option
+
+## Contributing
+Just fork and send pull requests, Thank you!
 
 ## Examples
 ![](https://raw.githubusercontent.com/ili101/PPerf/master/Examples/Example1.png)