Fixed typos

extending.md

@@ -129,7 +129,7 @@ The `retrieveById` function typically receives a numeric key representing the us
 
 The `retrieveByToken` function retrieves a user by their unique `$identifier` and "remember me" `$token`, stored in a field `remember_token`. As with the previous method, the `Authenticatable` implementation should be returned.
 
-The `updateRememberToken` method updates the `$user` field `remember_token` with the new `$token`. The new token can be either a fresh token, assigned on successfull "remember me" login attempt, or a null when user is logged out.
+The `updateRememberToken` method updates the `$user` field `remember_token` with the new `$token`. The new token can be either a fresh token, assigned on successful "remember me" login attempt, or a null when user is logged out.
 
 The `retrieveByCredentials` method receives the array of credentials passed to the `Auth::attempt` method when attempting to sign into an application. The method should then "query" the underlying persistent storage for the user matching those credentials. Typically, this method will run a query with a "where" condition on `$credentials['username']`. The method should then return an implementation of `UserInterface`. **This method should not attempt to do any password validation or authentication.**
 

releases.md

@@ -119,7 +119,7 @@ The base Laravel controller utilizes the new `DispatchesCommands` trait, allowin
 
 	$this->dispatch(new PurchasePodcastCommand($user, $podcast));
 
-Of course, you may also use commands for tasks that are executed synchonrously (are not queued). In fact, using commands is a great way to encapsulate complex tasks your application needs to perform. For more information, check out the [command bus](/docs/5.0/bus) documentation.
+Of course, you may also use commands for tasks that are executed synchronously (are not queued). In fact, using commands is a great way to encapsulate complex tasks your application needs to perform. For more information, check out the [command bus](/docs/5.0/bus) documentation.
 
 ### Database Queue