diff --git a/docs/topics/api-clients.md b/docs/topics/api-clients.md
index ec0b4272c..23e63a267 100644
--- a/docs/topics/api-clients.md
+++ b/docs/topics/api-clients.md
@@ -428,6 +428,9 @@ the user to login, and then instantiate a client using session authentication:
 The authentication scheme will handle including a CSRF header in any outgoing
 requests for unsafe HTTP methods.
 
+** Note: ** This mechanism does not work when used in conjunction with
+`CSRF_USE_SESSIONS = True` in your Django settings.
+
 #### Token authentication
 
 The `TokenAuthentication` class can be used to support REST framework's built-in