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 - Please check [NOTES](https://github.com/Developer-Y/cs-video-courses/blob/master/NOTES.md) for general information about this list.
 - Please refer [CONTRIBUTING.md](https://github.com/Developer-Y/cs-video-courses/blob/master/CONTRIBUTING.md) for contribution guidelines.
+- Please feel free to raise any genuine issue you may have, however it has been noticed that few people open empty issues to raise their github contribution on their account. Such spammers will be blocked. 
 
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@@ -830,6 +831,7 @@ Table of Contents
 ### Quantum Computing
 
 - [15-859BB: Quantum Computation and Quantum Information 2018 - CMU](https://www.cs.cmu.edu/~odonnell/quantum18/) ([Youtube](https://www.youtube.com/playlist?list=PLm3J0oaFux3YL5qLskC6xQ24JpMwOAeJz))
+- [Ph/CS 219A Quantum Computation - Prof Preskill - Caltech](https://www.youtube.com/playlist?list=PL0ojjrEqIyPy-1RRD8cTD_lF1hflo89Iu)
 - [Quantum Mechanics for Scientists and Engineers](https://www.youtube.com/playlist?list=PL_onPhFCkVQi2O405SkNf3hv-7HXnZnMm)
 - [Quantum Mechanics and Quantum Computation - Umesh Vazirani](https://www.youtube.com/playlist?list=PL74Rel4IAsETUwZS_Se_P-fSEyEVQwni7)
 - [Quantum Information and Computing by Prof. D.K. Ghosh](https://www.youtube.com/playlist?list=PLq-Gm0yRYwThGmlypvSFQ-kT2rPaXKAZ5)