[TYPO]

[stevenschwab]

I found a typo in Asynchronous Programming 
with SwiftUI and Combine.

• Edition: 1st
• Page: 129

What is wrong

Thanks to SwiftUI’s declarative syntax, adding animations to make this
feel more natural is super easy: all we need to do is adding an animation
view modifier to the List view:

What's the correct spelling

Change "adding" to "add"