diff --git a/README.md b/README.md
index 301c85fc..3acbc60d 100644
--- a/README.md
+++ b/README.md
@@ -507,7 +507,7 @@ This project is also available in a [book](https://books.adrianmejia.com/dsajs-d
Reach out to me at one of the following places!
-- Twitter at `@amejiarosario`
+- Twitter at `@iAmAdrianMejia`
- Chat on `dsajs.slack.com`
## License
diff --git a/book/content/part04/dynamic-programming.asc b/book/content/part04/dynamic-programming.asc
index 25bf3ce0..7773f000 100644
--- a/book/content/part04/dynamic-programming.asc
+++ b/book/content/part04/dynamic-programming.asc
@@ -9,7 +9,7 @@ endif::[]
(((Algorithmic Techniques, Dynamic Programming)))
Dynamic programming (dp) is a way to solve algorithmic problems with *overlapping subproblems*. Algorithms using dp find the base case and building a solution from the ground-up. Dp _keep track_ of previous results to avoid re-computing the same operations.
-// https://twitter.com/amejiarosario/status/1103050924933726208
+// https://twitter.com/iAmAdrianMejia/status/1103050924933726208
// https://www.quora.com/How-should-I-explain-dynamic-programming-to-a-4-year-old/answer/Jonathan-Paulson
// https://medium.com/@codingfreak/top-50-dynamic-programming-practice-problems-4208fed71aa3
// https://www.slideshare.net/balamoorthy39/greedy-algorithm-knapsack-problem
diff --git a/book/content/preface.asc b/book/content/preface.asc
index 7f983404..7e03dcd6 100644
--- a/book/content/preface.asc
+++ b/book/content/preface.asc
@@ -82,4 +82,4 @@ Measurement is the first step that leads to control and eventually to improvemen
Your feedback is very welcome and valuable. Let us know what your thoughts about this book — what you like or ideas to make it better.
-To send us feedback, e-mail us at hello+dsajs@adrianmejia.com, send a tweet to https://twitter.com/amejiarosario[@amejiarosario], or using the hash tags `#dsaJS`, `#javascript` and `#algorithms`.
+To send us feedback, e-mail us at hello+dsajs@adrianmejia.com, send a tweet to https://twitter.com/iAmAdrianMejia[@iAmAdrianMejia], or using the hash tags `#dsaJS`, `#javascript` and `#algorithms`.