Update README.md

Update youtube videos

Author: phonnz

README.md

@@ -1,11 +1,13 @@
 # FullStack
 
-After been building infrastrcutre for millions of IoT devices connected to a Phoenix Backend, sending data and enable people to track everything real-time with Liveview and provide services to third-parties from APIs, I decided to share the knowledge with the community.
+After been building infrastructure for millions of IoT devices connected to a Phoenix Backend, sending data and enable people to track everything soft real-time with Liveview and provide services to third-parties from APIs, I decided to share the knowledge with the community.
 
-If you want to learn more about the journey and the product, you can watch the conference at ElixirConf US 2023 
-[![ElixirConf US 2023](./static/thumbnail.jpg)](https://www.youtube.com/watch?v=YWDCXbjircQ)
+I had the chance to work in several Elixir projects, but most of the experience and knowledge came from building a product and the journey was shared at ElixirConf US 2023
+[![ElixirConf US 2023]](https://www.youtube.com/watch?v=YWDCXbjircQ)
 
-I have seen lot of times this table from "Elixir in Action" book, and want to show how easy can actually is to enable this features in a real system. 
+[![Watch the demo](./static/thumbnail.jpg)](https://www.youtube.com/watch?v=ZMFXT9YDu-o)
+
+I have seen lot of times this table from "Elixir in Action" book, and want to show how wasy is to enable this features in a real system. 
 
 ![plot](./static/erlang_features.png)