Merge branch 'master' into add-russian-translation

Author: ryanmcdermott

README.md

@@ -216,7 +216,7 @@ Since JavaScript allows you to make objects on the fly, without a lot of class
 boilerplate, you can use an object if you are finding yourself needing a
 lot of arguments.
 
-To make it obvious what properties the function expects, you can use the es6
+To make it obvious what properties the function expects, you can use the ES2015/ES6
 destructuring syntax. This has a few advantages:
 
 1. When someone looks at the function signature, it's immediately clear what
@@ -578,7 +578,7 @@ console.log(newName); // ['Ryan', 'McDermott'];
 
 ### Avoid Side Effects (part 2)
 In JavaScript, primitives are passed by value and objects/arrays are passed by
-reference. In the case of objects and arrays, if our function makes a change
+reference. In the case of objects and arrays, if your function makes a change
 in a shopping cart array, for example, by adding an item to purchase,
 then any other function that uses that `cart` array will be affected by this
 addition. That may be great, however it can be bad too. Let's imagine a bad
@@ -1456,7 +1456,7 @@ inventoryTracker.requestItems();
 ### Prefer ES2015/ES6 classes over ES5 plain functions
 It's very difficult to get readable class inheritance, construction, and method
 definitions for classical ES5 classes. If you need inheritance (and be aware
-that you might not), then prefer classes. However, prefer small functions over
+that you might not), then prefer ES2015/ES6 classes. However, prefer small functions over
 classes until you find yourself needing larger and more complex objects.
 
 **Bad:**
@@ -2158,5 +2158,6 @@ This is also available in other languages:
   - ![ru](https://raw.githubusercontent.com/gosquared/flags/master/flags/flags/shiny/24/Russia.png) **Russian**:
     - [BoryaMogila/clean-code-javascript-ru/](https://github.com/BoryaMogila/clean-code-javascript-ru/)
     - [maksugr/clean-code-javascript](https://github.com/maksugr/clean-code-javascript)
+  - ![vi](https://raw.githubusercontent.com/gosquared/flags/master/flags/flags/shiny/24/Vietnam.png) **Vietnamese**: [hienvd/clean-code-javascript/](https://github.com/hienvd/clean-code-javascript/)
 
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