diff --git a/README.md b/README.md
index 7cac95c..f224e5e 100644
--- a/README.md
+++ b/README.md
@@ -499,6 +499,13 @@ By default, Reveal is configured with [highlight.js](http://softwaremaniacs.org/
 </section>
 ```
 
+### Slide number
+If you would like to display the page number of the current slide you can do so using the ```slideNumber``` configuration value.
+
+```javascript
+Reveal.configure({ slideNumber: true });
+```
+
 
 ### Overview mode