Update documentation

docs/guide-package/guide/internationalization.md

@@ -47,10 +47,10 @@ Running this command would yield a file like this
 Using different words or a non-English initial language is possible too with this technique. This example uses French as the default language for your translators.
 
 ```html
-<add-to-cart buttonText="Add to cart" i18n-buttonText></add-to-cart>
+<add-to-cart buttonText="Ajouter au panier" i18n-buttonText></add-to-cart>
 ```
 
-After you translate all text nodes and merge the translation file your app will display the target language of your choice and all the library components will update too to display text using that language.
+After you translated all text nodes and merged the translation file following the steps provided in the [internationalization guide](https://angular.io/guide/i18n) your app will display the target language of your choice and all the library components will update too to display text using that language.
 
 
 

src/components/cart-checkout/cart-checkout.component.ts

@@ -158,7 +158,7 @@ export class CartCheckoutComponent implements OnChanges, OnInit, OnDestroy {
     if (currencyCode.length === 3) {
       return currencyCode;
     }
-    // Angular <= 6 return "US Dollar" instead of "USD" so we have to hack the code using the currency pipe
+    // Angular < 6 return "US Dollar" instead of "USD" so we have to hack the code using the currency pipe
     // You will also get USD on locales where you should get EUR so for those versions currencyCode must be used
     const fmt = new CurrencyPipe(locale);
     const val = fmt.transform(0, undefined, 'code', '1.0-0', locale);

src/interfaces/cart-change-event.ts

@@ -3,7 +3,7 @@
  */
 export interface CartChangeEvent {
   /**
-   * The cart element where the change took place
+   * The location where the change took place
    */
   change: 'items' | 'taxRate' | 'shipping' | 'format';
   /**