diff --git a/1-js/11-async/01-callbacks/article.md b/1-js/11-async/01-callbacks/article.md
index 9432e860..8f9189ae 100644
--- a/1-js/11-async/01-callbacks/article.md
+++ b/1-js/11-async/01-callbacks/article.md
@@ -28,7 +28,7 @@ function loadScript(src) {
 }
 ```
 
-It inserts into the document the new, dynamically created, tag `<script src="…">` with the given `src`. The browser automatically starts loading it and executes when complete.
+It inserts into the document a new, dynamically created, tag `<script src="…">` with the given `src`. The browser automatically starts loading it and executes when complete.
 
 We can use this function like this: