diff --git a/README.md b/README.md
index 19bf9a4..af4fd7c 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,11 @@ This is an implementation of [OpenSubtitle's Moviehash](https://trac.opensubtitl
 ```ruby
 Moviehash.compute_hash("test/files/breakdance.avi")
 => "8e245d9679d31e12"
-# via the web - run this in the console: 
+```
+
+When computing the hash of a file on the web, only the required bytes are downloaded, using HTTP's Range requests
+```ruby
+# via the web - run this in the console to test: 
 # ruby -run -e httpd test/files -p 8000
 Moviehash.compute_hash("http://localhost:8000/breakdance.avi")
 => "8e245d9679d31e12"