diff --git a/README.md b/README.md
index 2838bf6..7b462e3 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,6 @@ hbr
 
 Hindering Backchannels Rule (see: HBR.md)
 
-# Historical Note
+## Historical Note
 
 HBR was formerly known (or expanded) as the 'Harvey Birdman Rule'.