Merge pull request #1300 from Jandoria/patch-2

Typo fix

Author: iliakan

5-network/05-fetch-crossorigin/1-do-we-need-origin/task.md

@@ -25,4 +25,4 @@ As you can see, both `Referer` and `Origin` are present.
 The questions:
 
 1. Why `Origin` is needed, if `Referer` has even more information?
-2. If it possible that there's no `Referer` or `Origin`, or it's incorrect?
+2. Is it possible that there's no `Referer` or `Origin`, or is it incorrect?