Removing extra words (#387)

Simply removing a couple of words that accidentally made their way in.

Author: sevignator

exercises/09.errors/README.mdx

@@ -182,8 +182,7 @@ that makes sense for that part of the application.
 
 You'll use error boundaries in a similar way. Just think about what the user
 will be able to do when errors occur and if you're able to give them more useful
-actions by handling the error in a more closely to where it originated, then do
-that.
+actions by handling the error more closely to where it originated, then do that.
 
 For example, let's say you have a list/detail view. You might want to have an
 error boundary around the list and another around the detail view. This way, if