Merge pull request #1882 from mattjmorrison/patch-2

Clarify "raised inside REST framework"

docs/api-guide/exceptions.md

@@ -84,7 +84,7 @@ Note that the exception handler will only be called for responses generated by r
 
 **Signature:** `APIException()`
 
-The **base class** for all exceptions raised inside REST framework.
+The **base class** for all exceptions raised inside an `APIView` class or `@api_view`.
 
 To provide a custom exception, subclass `APIException` and set the `.status_code` and `.default_detail` properties on the class.