1 files changed, 6 insertions, 0 deletions
diff --git a/include/ouroboros/frct_pci.h b/include/ouroboros/frct_pci.h
index 3a93ac1c..601c0ce4 100644
--- a/include/ouroboros/frct_pci.h
+++ b/include/ouroboros/frct_pci.h
@@ -29,9 +29,15 @@
 #include <stdbool.h>
 
 struct frct_pci {
+        /* Present in every PDU. */
         uint8_t  type;
         uint8_t  flags;
         uint64_t seqno;
+
+        /* Present in config PDU. */
+        uint8_t  conf_flags;
+
+        /* Present in flow control PDU. */
         uint64_t lwe;
         uint64_t rwe;
 };