docs/using-callbacks.md in flexirest-1.7.3 vs docs/using-callbacks.md in flexirest-1.7.4

@@ -86,11 +86,11 @@
 end
 ```
 
 **Note:** since v1.3.21 the empty response trick above isn't necessary, empty responses for 204 are accepted normally (the method returns `true`), but this is here to show an example of an `after_request` callback adjusting the body. The `cache_all_people` example shows how to cache a response even if the server doesn't send the correct headers.
 
-If you want to trap an error in an `after_request` callback and retry the request, this can be done - but retries will only happen once for each request (so we'd recommend checking all conditions in a single `after_request` and then retrying after fixing them all). You achieve this by returning `:retry` from the callback.
+If you want to trap an error in an `after_request` callback and retry the request, this can be done - but retries will only happen once for each request (so we'd recommend checking all conditions in a single `after_request` and then retrying after fixing them all). You achieve this by raising a `Flexirest::CallbackRetryRequestException` from the callback.
 
 ```ruby
 class Person < Flexirest::Base
   get :all, "/people"
 
@@ -100,10 +100,10 @@
 
   def fix_invalid_request(name, response)
     if response.status == 401
       # Do something to fix the state of caches/variables used in the 
       # before_request, etc
-      return :retry
+      raise Flexirest::CallbackRetryRequestException.new
     end
   end
 end
 ```