update my link

README.md

@@ -113,9 +113,9 @@ and may be conveniently fetched, built, and installed using the `go get` command
 
 Perfect for beginners familiar with programming basics, this hands-on guide provides an easy introduction to Go, the general-purpose programming language from Google. Author Caleb Doxsey covers the language's core features with step-by-step instructions and exercises in each chapter to help you practice what you learn.
 
-### [Get Programming with Go](https://www.manning.com/books/get-programming-with-go?utm_source=nathany&utm_medium=affiliate&utm_campaign=book_youngman_get_9_17_18&a_aid=nathany&a_bid=53f68821)
+### [Get Programming with Go](https://bit.ly/programminggo)
 
-<a href="https://www.manning.com/books/get-programming-with-go?utm_source=nathany&utm_medium=affiliate&utm_campaign=book_youngman_get_9_17_18&a_aid=nathany&a_bid=53f68821"><img src="https://images.manning.com/720/960/resize/book/3/ddd56a6-ba2b-4ca4-bda2-540761b91c55/Go-Youngman_hi-res_REV.png" width="120px"/></a>
+<a href="https://bit.ly/programminggo"><img src="https://images.manning.com/720/960/resize/book/3/ddd56a6-ba2b-4ca4-bda2-540761b91c55/Go-Youngman_hi-res_REV.png" width="120px"/></a>
 
 *Get Programming with Go* introduces you to the powerful Go language without confusing jargon or high-level theory. By working through 32 quick-fire lessons, you'll quickly pick up the basics of the innovative Go programming language!