Update README.md

Author: NothingEverHappens

README.md

@@ -7,8 +7,8 @@ Angular Codelab is a self-paced interactive Angular course:
 <img alt="interactive exercises" src="https://user-images.githubusercontent.com/2545357/66274607-4d17a880-e84e-11e9-8ed0-a1ae678988a5.gif"  width="600">
 
 - 🔥 Everything in the browser - **no setup needed**
-- 🔥 **Interactive code samples** - Change the code and see the result!
-- 🔥 Hand on **Exercises** to solidify your knowledge
+- 🔥 **Interactive code samples** - Change the code and see the result immediately!
+- 🔥 Hands-on **Exercises** to solidify your knowledge
 - 🔥 **Free** - Made for Angular enthusiasts by Angular enthusiasts  
 - 🔥 Written in Angular and **open source**