diff --git a/README.md b/README.md
index d8472ed..b92aaf6 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,8 @@ Available as:
 
 Speed and effectiveness of Node.js version compared to [html-minfier](https://github.com/kangax/html-minifier) and [minimize](https://github.com/Swaagie/minimize).
 
+Used average of results from running on [common web pages](./bench/tests). See [bench](./bench) folder for more details.
+
 ![Chart showing speed of HTML minifiers](./bench/speed.png) ![Chart showing effectiveness of HTML minifiers](./bench/minification.png)
 
 ## Usage