Runtime should support for...of (jashkenas#4385)

[Docs] Runtime should support for…of

Author: mitar

docs/v1/index.html

@@ -2833,7 +2833,7 @@ <h2>
           else.) This allows iterating over generators or any other iterable
           object. Note that using <code>for…from</code> in your code
           makes you responsible for ensuring that either your runtime supports
-          <code>for…from</code> or that you transpile the output
+          <code>for…of</code> or that you transpile the output
           JavaScript further to a version your target runtime(s) support.
         </li>
         <li>

documentation/index.html

@@ -1358,7 +1358,7 @@ <h2>
           else.) This allows iterating over generators or any other iterable
           object. Note that using <code>for…from</code> in your code
           makes you responsible for ensuring that either your runtime supports
-          <code>for…from</code> or that you transpile the output
+          <code>for…of</code> or that you transpile the output
           JavaScript further to a version your target runtime(s) support.
         </li>
         <li>