diff --git a/advanced/p4-upf.rst b/advanced/p4-upf.rst
index 77ce957..325323b 100644
--- a/advanced/p4-upf.rst
+++ b/advanced/p4-upf.rst
@@ -40,9 +40,9 @@
   servers. Then, when the device radio becomes ready to receive traffic,
   packets are drained from the software buffers back to the switch to be
   delivered to base stations.
-* QoS: support for enforcement of maximum bitrate (MBR), minimum guaranteed
-  bitrate (GBR, via admission control), and prioritization using switch
-  queues and scheduling policy.
+* QoS: support for enforcement of maximum bitrate (MBR) at the application,
+  session, and slice level; and prioritization using switch queues and
+  scheduling policy.
 * Slicing: multiple logical UPFs can be instantiated on the same switch, each
   one with its own QoS model and isolation guarantees enforced at the hardware
   level using separate queues.