diff --git a/draft-ietf-quic-transport.md b/draft-ietf-quic-transport.md
index b242445ee7..044b0e6de4 100644
--- a/draft-ietf-quic-transport.md
+++ b/draft-ietf-quic-transport.md
@@ -322,6 +322,12 @@ Example Structure {
 ~~~
 {: #fig-ex-format title="Example Format"}
 
+When a single-bit field is referenced in prose, the position of that field can
+be clarified by using the value of the byte that carries the field with the
+field's value set. For example, the value 0x80 could be used to refer to the
+single-bit field in the most significant bit of the byte, such as One-bit Field
+in {{fig-ex-format}}.
+
 
 # Streams {#streams}