diff --git a/1-js/03-code-quality/01-debugging-chrome/article.md b/1-js/03-code-quality/01-debugging-chrome/article.md
index 4f50fb428b..eff9fd2681 100644
--- a/1-js/03-code-quality/01-debugging-chrome/article.md
+++ b/1-js/03-code-quality/01-debugging-chrome/article.md
@@ -143,7 +143,7 @@ There are buttons for it at the top of the right panel. Let's engage them.
     That's good if we're not interested to see what happens inside the function call.
 
 <span class="devtools" style="background-position:-4px -194px"></span> -- "Step into", hotkey `key:F11`.
-: That's similar to "Step", but behaves differently in case of asynchronous function calls. If you're only starting to learn JavaScript, then you can ignore the difference, as we don't have asynchronous calls yet.
+: That's similar to "Step", but behaves differently in case of asynchronous function calls. If you're only starting to learn JavaScript, then you can ignore the difference, as we haven't learnt about asynchronous calls yet.
 
     For the future, just note that "Step" command ignores async actions, such as `setTimeout` (scheduled function call), that execute later. The "Step into" goes into their code, waiting for them if necessary. See [DevTools manual](https://developers.google.com/web/updates/2018/01/devtools#async) for more details.