Minor docs addition

1 files changed, 2 insertions, 0 deletions

diff --git a/docs/api-guide/serializers.md b/docs/api-guide/serializers.md
index dc16ba83..8e9de10e 100644
--- a/docs/api-guide/serializers.md
+++ b/docs/api-guide/serializers.md
@@ -427,6 +427,8 @@ Doing so should be considered advanced usage, and will only be needed if you hav
 
 Once a serializer has been initialized, the dictionary of fields that are set on the serializer may be accessed using the `.fields` attribute.  Accessing and modifying this attribute allows you to dynamically modify the serializer.
 
+Modifying the `fields` argument directly allows you to do interesting things such as changing the arguments on serializer fields at runtime, rather than at the point of declaring the serializer.
+
 ### Example
 
 For example, if you wanted to be able to set which fields should be used by a serializer at the point of initializing it, you could create a serializer class like so: