diff --git a/1-js/01-getting-started/1-intro/article.md b/1-js/01-getting-started/1-intro/article.md
index 1d2997e0..7537a46b 100644
--- a/1-js/01-getting-started/1-intro/article.md
+++ b/1-js/01-getting-started/1-intro/article.md
@@ -38,7 +38,7 @@ Engines are complicated. But the basics are easy.
 2. Then it converts ("compiles") the script to the machine language.
 3. And then the machine code runs, pretty fast.
 
-The engine applies optimizations at each step of the process. It even watches the compiled script as it runs, analyzes the data that flows through it, and applies optimizations to the machine code based on that knowledge. When it's done, scripts run quite fast.
+The engine applies optimizations at each step of the process. It even watches the compiled script as it runs, analyzes the data that flows through it, and further optimizes the machine code based on that knowledge.
 ```
 
 ## What can in-browser JavaScript do?