diff --git a/1-js/11-async/01-callbacks/article.md b/1-js/11-async/01-callbacks/article.md
index 97adc61c..9d1a260d 100644
--- a/1-js/11-async/01-callbacks/article.md
+++ b/1-js/11-async/01-callbacks/article.md
@@ -10,9 +10,9 @@ If you're not familiar with these methods, and their usage in the examples is co
 Although, we'll try to make things clear anyway. There won't be anything really complex browser-wise.
 ```
 
-Many actions in JavaScript are *asynchronous*. In other words, we initiate them now, but they finish later.
+Many functions are provided by JavaScript host environments that allow you to schedule *asynchronous* actions. In other words, actions that we initiate now, but they finish later.
 
-For instance, we can schedule such actions using `setTimeout`.
+For instance, one such function is the `setTimeout` function.
 
 There are other real-world examples of asynchronous actions, e.g. loading scripts and modules (we'll cover them in later chapters).