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
diff --git a/lib/net/http/persistent.rb b/lib/net/http/persistent.rb
index e6a110c..5346efb 100644
--- a/lib/net/http/persistent.rb
+++ b/lib/net/http/persistent.rb
@@ -33,7 +33,7 @@
 #
 #   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
@@ -153,7 +153,7 @@
 #   uri = URI 'http://example.com/awesome/web/service'
 #   post_uri = uri + 'create'
 #
-#   http = Net::HTTP::Persistent.new 'my_app_name'
+#   http = Net::HTTP::Persistent.new name: 'my_app_name'
 #
 #   post = Net::HTTP::Post.new post_uri.path
 #   # ... fill in POST request