diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 14c80da..2ae9d05 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -4645,7 +4645,9 @@ union bpf_attr {
  * 	Description
  * 		Discard reserved ring buffer sample, pointed to by *data*.
  * 		If **BPF_RB_NO_WAKEUP** is specified in *flags*, no notification
- * 		of new data availability is sent.
+ * 		of new data availability is sent. Discarded records remain in
+ * 		the ring buffer until consumed by user space, so a later submit
+ * 		using adaptive wakeup might not wake up the consumer.
  * 		If **BPF_RB_FORCE_WAKEUP** is specified in *flags*, notification
  * 		of new data availability is sent unconditionally.
  * 		If **0** is specified in *flags*, an adaptive notification