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 1. [Techniques of machine learning](4-techniques-of-ML/README.md)
 ### Credits
 
-"Introduction to Machine Learning" was written with ♥️ by a team of folks including [Muhammad Sakib Khan Inan](https://twitter.com/Sakibinan), [Ornella Altunyan](https://twitter.com/ornelladotcom) and [Jen Looper](https://twitter.com/jenlooper)
+"Introduction to Machine Learning" was written with ♥️ by a team of folks including [Noor Islam S.M](https://twitter.com/nislam_mohammad), [Ornella Altunyan](https://twitter.com/ornelladotcom) and [Jen Looper](https://twitter.com/jenlooper)
 
 "The History of Machine Learning" was written with ♥️ by [Jen Looper](https://twitter.com/jenlooper) and [Amy Boyd](https://twitter.com/AmyKateNicho)
 
 "Fairness and Machine Learning" was written with ♥️ by [Tomomi Imura](https://twitter.com/girliemac) 
 
-"Techniques of Machine Learning" was written with ♥️ by [Jen Looper](https://twitter.com/jenlooper) and [Chris Noring](https://twitter.com/softchris) 
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+"Techniques of Machine Learning" was written with ♥️ by [Jen Looper](https://twitter.com/jenlooper) and [Chris Noring](https://twitter.com/softchris)