Spelling fix

Author: ljmerza

ebook/20_ES9_what-is-coming.md

@@ -5,7 +5,7 @@ You can find the list on [github](https://github.com/tc39/proposals/blob/master/
 
  
 
-## Rest / Spred for objects
+## Rest / Spread for objects
 
 Now we can use the rest/spread syntax for objects, let's look at how:
 
@@ -142,4 +142,4 @@ regexGreekSymbol.test('π');
 
 When using *tagged* template literals the restriction on escape sequences are removed.
 
-You can read more [here.](https://tc39.github.io/proposal-template-literal-revision/#sec-template-literals)
+You can read more [here.](https://tc39.github.io/proposal-template-literal-revision/#sec-template-literals)