diff --git a/aio/content/guide/deprecations.md b/aio/content/guide/deprecations.md
index 61bc0a975c..fa36fe55e8 100644
--- a/aio/content/guide/deprecations.md
+++ b/aio/content/guide/deprecations.md
@@ -80,7 +80,7 @@ Tip: In the [API reference section](api) of this site, deprecated APIs are indic
 
 | API                                                                                           | Replacement                                         | Deprecation announced | Notes |
 | --------------------------------------------------------------------------------------------- | --------------------------------------------------- | --------------------- | ----- |
-| [`CurrencyPipe` - `DEFAULT_CURRENCY_CODE`](api/common/CurrencyPipe#currency-code-deprecation) | `{provide: DEFAULT_CURRENCY_CODE, useValue: 'USD'}` | v9                    | From v11 the default code will be extracted from the locale data given by `LOCAL_ID`, rather than `USD`. |
+| [`CurrencyPipe` - `DEFAULT_CURRENCY_CODE`](api/common/CurrencyPipe#currency-code-deprecation) | `{provide: DEFAULT_CURRENCY_CODE, useValue: 'USD'}` | v9                    | From v11 the default code will be extracted from the locale data given by `LOCALE_ID`, rather than `USD`. |
 
 
 {@a common-http}
diff --git a/aio/content/guide/i18n.md b/aio/content/guide/i18n.md
index 7c2ca8dfc1..b70d054292 100644
--- a/aio/content/guide/i18n.md
+++ b/aio/content/guide/i18n.md
@@ -327,7 +327,7 @@ You can also nest different clauses together, such as the `plural` and `select`
 
 ## Work with translation files
 
-After preparing a template for translation, use the Angular CLI `extract-i18n` command to extract the marked text in the template into a _source language_ file.
+After preparing a template for translation, use the Angular CLI [`extract-i18n`](cli/extract-i18n) command to extract the marked text in the template into a _source language_ file.
 The marked text includes text marked with `i18n` and attributes marked with `i18n-`*attribute* as described in the previous section.
 Follow these steps:
 
@@ -349,7 +349,7 @@ To extract the source language file, open a terminal window, change to the root
 
 The `extract-i18n` command creates a source language file named `messages.xlf` in your project's root directory using the [XML Localization Interchange File Format (XLIFF, version 1.2)](https://en.wikipedia.org/wiki/XLIFF "Wikipedia page about XLIFF").
 
-Use the following `extract-i18n` command options to change the source language file location, format, and file name:
+Use the following [`extract-i18n` command options](cli/extract-i18n) to change the source language file location, format, and file name:
 
 * `--output-path`: Change the location.
 * `--format`: Change the format.
@@ -375,6 +375,8 @@ The `extract-i18n` command can read and write files in three translation formats
 * XLIFF 1.2 (default)
 * XLIFF 2
 * [XML Message Bundle (XMB)](http://cldr.unicode.org/development/development-process/design-proposals/xmb)
+* JSON
+* [ARB](https://github.com/google/app-resource-bundle/wiki/ApplicationResourceBundleSpecification)
 
 Specify the translation format explicitly with the `--format` command option, as shown in the following examples:
 
@@ -382,6 +384,8 @@ Specify the translation format explicitly with the `--format` command option, as
 ng extract-i18n  --format=xlf
 ng extract-i18n  --format=xlf2
 ng extract-i18n  --format=xmb
+ng extract-i18n  --format=json
+ng extract-i18n  --format=arb
 </code-example>
 
 <div class="alert is-helpful">
@@ -433,7 +437,7 @@ Follow these steps:
 
 > The `id="introductionHeader"` is a [custom ID](#custom-id "Manage marked text with custom IDs"), but without the `@@` prefix required in the source HTML.
 
-2. Duplicate the `<source>...</source>` element in the text node, rename it `target`, and then replace its content with the French text:
+2. Duplicate the `<source>...</source>` element in the text node, rename it to `target`, and then replace its content with the French text:
 
 > <code-example path="i18n/doc-files/messages.fr.xlf.html" region="translated-hello" header="src/locale/messages.fr.xlf (&lt;trans-unit&gt;, after translation)"></code-example>
 
@@ -448,7 +452,7 @@ Follow these steps:
   Don't change the IDs for translation units.
   Each `id` is generated by Angular and depends on the content of the template text and its assigned meaning.
   If you change either the text or the meaning, then the `id` changes.
-  For more about managing text updates and IDs, see the previous section on [custom IDs](#custom-id "Manage marked text with custom IDs").
+  For more about managing text updates and IDs, see the section on [custom IDs](#custom-id "Manage marked text with custom IDs").
 
 </div>
 
@@ -540,7 +544,7 @@ development and production builds, and AOT is required to localize component tem
 
 <div class="alert is-helpful">
 
-For a detailed explanation the build process, see [Building and serving Angular apps](guide/build "Building and serving Angular apps").
+For a detailed explanation of the build process, see [Building and serving Angular apps](guide/build "Building and serving Angular apps").
 This build process works for translation files in the `.xlf` format or in another format that Angular understands, such as `.xtb`.
 
 </div>