Update article.md

Somewhat enhanced readability

Author: hsnilsson

4-binary/03-blob/article.md

@@ -97,7 +97,7 @@ That's what the value of `link.href` looks like:
 blob:https://javascript.info/1e67e00e-860d-40a5-89ae-6ab0cbee6273
 ```
 
-The browser for each URL generated by `URL.createObjectURL` stores an the URL -> `Blob` mapping internally. So such URLs are short, but allow to access the `Blob`.
+For each URL generated by `URL.createObjectURL` the browser stores a URL -> `Blob` mapping internally. So such URLs are short, but allow to access the `Blob`.
 
 A generated URL (and hence the link with it) is only valid within the current document, while it's open. And it allows to reference the `Blob` in `<img>`, `<a>`, basically any other object that expects an url.