Merge branch 'master' of github.com:javascript-tutorial/en.javascript.info into sync-b0464bb3

Author: iliakan

1-js/04-object-basics/08-symbol/article.md

@@ -121,7 +121,7 @@ user.id = "Their id value"
 // Boom! overwritten by another script!
 ```
 
-### Symbols in a literal
+### Symbols in an object literal
 
 If we want to use a symbol in an object literal `{...}`, we need square brackets around it.
 

1-js/06-advanced-functions/10-bind/article.md

@@ -167,7 +167,7 @@ sayHi(); // Hello, John!
 setTimeout(sayHi, 1000); // Hello, John!
 
 // even if the value of user changes within 1 second
-// sayHi uses the pre-bound value
+// sayHi uses the pre-bound value which is reference to the old user object
 user = {
   sayHi() { alert("Another user in setTimeout!"); }
 };

2-ui/2-events/01-introduction-browser-events/article.md

@@ -236,7 +236,7 @@ element.removeEventListener(event, handler, [options]);
 ````warn header="Removal requires the same function"
 To remove a handler we should pass exactly the same function as was assigned.
 
-That doesn't work:
+This doesn't work:
 
 ```js no-beautify
 elem.addEventListener( "click" , () => alert('Thanks!'));