docs(guide/i18n): fix typos

Closes #15616

Author: martingbrown

docs/content/guide/i18n.ngdoc

@@ -26,7 +26,7 @@ directive}.  Additionally, you can use {@link guide/i18n#messageformat-extension
 All localizable Angular components depend on locale-specific rule sets managed by the {@link
 ng.$locale `$locale` service}.
 
-There a few examples that showcase how to use Angular filters with various locale rule sets in the
+There are a few examples that showcase how to use Angular filters with various locale rule sets in the
 [`i18n/e2e` directory](https://github.com/angular/angular.js/tree/master/i18n/e2e) of the Angular
 source code.
 
@@ -85,7 +85,7 @@ requires German locale, you would serve index_de-de.html which will look somethi
 
 Both approaches described above require you to prepare different `index.html` pages or JavaScript
 files for each locale that your app may use. You also need to configure your server to serve
-the correct file that correspond to the desired locale.
+the correct file that corresponds to the desired locale.
 
 The second approach (including the locale JavaScript file in `index.html`) may be slower because
 an extra script needs to be loaded.