diff --git a/README.md b/README.md
index 5d04300..2b0e1e4 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,8 @@ TODO
 
 See more at [letsencrypt-express](https://github.com/Daplie/letsencrypt-express)
 
+### letsencrypt (the library)
+
 ```javascript
 var config = require('./examples/config-minimal');