diff --git a/README.rdoc b/README.rdoc
index 28f498a..82c4861 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -32,7 +32,7 @@ connection is kept alive between requests:
 
     uri = URI 'http://example.com/awesome/web/service'
 
-    http = Net::HTTP::Persistent.new 'my_app_name'
+    http = Net::HTTP::Persistent.new name: 'my_app_name'
 
     # perform a GET
     response = http.request uri