Update README.md

README.md

@@ -904,8 +904,8 @@ Pricing Theory I / Applied Probability for Mathematical Finance - University of
 	- [15.S12 Blockchain and Money, Fall 2018- MIT ](https://www.youtube.com/playlist?list=PLUl4u3cNGP63UUkfL0onkxF6MYgVa04Fn)
 	- [Blockchain - Foundations and Use Cases](https://www.coursera.org/learn/blockchain-foundations-and-use-cases/home/welcome)
 - **Become Blockchain Developer**
-	- [Solidity- Intro](https://www.youtube.com/playlist?list=PLS5SEs8ZftgUq-aMMYeKf8nPqHrNqa3Iu) [Master Solidity](https://www.youtube.com/playlist?list=PLS5SEs8ZftgVnWHv2_mkvJjn5HBOkde3g) - Dapp University
-	-  [IPFS - Inter Planetary File System] (https://www.youtube.com/playlist?list=PLS5SEs8ZftgWggD3tKfgwsIPXuIhorXZk)
+	- [Solidity for Beginners](https://www.youtube.com/playlist?list=PLS5SEs8ZftgUq-aMMYeKf8nPqHrNqa3Iu) [Master Solidity](https://www.youtube.com/playlist?list=PLS5SEs8ZftgVnWHv2_mkvJjn5HBOkde3g)  Dapp University
+	-  [IPFS Inter Planetary File System  Dapp University] (https://www.youtube.com/playlist?list=PLS5SEs8ZftgWggD3tKfgwsIPXuIhorXZk)
 	- [Solidity, Blockchain, and Smart Contract Course – Beginner to Expert Python Tutorial - FreeCodingCamp](https://www.youtube.com/watch?v=M576WGiDBdQ)
 	-  [Web 3.0 - Build Realtime Decentralized applications](https://www.youtube.com/playlist?list=PLS5SEs8ZftgVV6ah1fo2IvlHk1kTCy6un)