diff --git a/README.md b/README.md
index 1d6dcd7..8c4e573 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 Readme.txt for IFS v1.4:
 
-1. Introduction and Overview
-============================
+1.0 Introduction and Overview
+=============================
 
 In the 1970s, Xerox PARC developed a set of protocols based around the "PUP"
 (the "PARC Universal Packet").  These were intended to be a stopgap until