diff --git a/en/02_Developer_Guides/02_Controllers/02_Routing.md b/en/02_Developer_Guides/02_Controllers/02_Routing.md
index f41cfbb44..a52b95513 100644
--- a/en/02_Developer_Guides/02_Controllers/02_Routing.md
+++ b/en/02_Developer_Guides/02_Controllers/02_Routing.md
@@ -201,7 +201,7 @@ start parsing variables and the appropriate controller action AFTER the `//`).
 ```yml
 SilverStripe\Control\Director:
   rules:
-    'admin/help//$Action/$ID: 'App\Control\AdminHelpController'
+    'admin/help//$Action/$ID': 'App\Control\AdminHelpController'
 ```
 
 ### Wildcard URL patterns
diff --git a/en/02_Developer_Guides/15_Customising_the_Admin_Interface/08_ReactJS_Redux_and_GraphQL.md b/en/02_Developer_Guides/15_Customising_the_Admin_Interface/08_ReactJS_Redux_and_GraphQL.md
index 2c32996f5..97acc9b1c 100644
--- a/en/02_Developer_Guides/15_Customising_the_Admin_Interface/08_ReactJS_Redux_and_GraphQL.md
+++ b/en/02_Developer_Guides/15_Customising_the_Admin_Interface/08_ReactJS_Redux_and_GraphQL.md
@@ -60,7 +60,7 @@ to the React API. While optional, it is recommended to express components this w
 
 ### Recommended: react dev tools
 
-The [React Dev Tools](https://chrome.g.oogle.com/webstore/detail/react-developer-tools/fmkadmapgofadopljbjfkapdkoienihi?hl=en) extension available for Chrome and Firefox is critical to debugging a React UI. It will let you browse the React UI much like the DOM, showing the tree of rendered components and their current props and state in real time.
+The React Dev Tools extension [available for Chrome](https://chrome.google.com/webstore/detail/react-developer-tools/fmkadmapgofadopljbjfkapdkoienihi?hl=en) [and for Firefox](https://addons.mozilla.org/en-GB/firefox/addon/react-devtools/) is critical to debugging a React UI. It will let you browse the React UI much like the DOM, showing the tree of rendered components and their current props and state in real time.
 
 ## Redux