Update README.md

Made a correction here!

Author: harshita2216

react-tailwind-pizza-app/README.md

@@ -37,7 +37,7 @@ npm / yarn start
 
 <br>
 
-##Screenshots
+## Screenshots
 
 ![Demo1](src/images/pizza.png)
 <br>
@@ -46,4 +46,4 @@ npm / yarn start
 <br>
 
 
-## Happy Coding!
+## Happy Coding!