Make Documentation a subheading
diff --git a/Readme.md b/Readme.md
index 2d67f36..e8ec9b4 100644
--- a/Readme.md
+++ b/Readme.md
@@ -18,7 +18,7 @@
 package fmt that takes a format string.
 
 
-# Documentation
+## Documentation
 
 See [GoDoc](http://godoc.org/github.com/kr/pretty) for automatic documentation.