diff --git a/README.md b/README.md
index 278c224..2431616 100644
--- a/README.md
+++ b/README.md
@@ -188,11 +188,16 @@ end
 ### Tracks
 
 ```ruby
-# Track requests from a special user agent, supports limit and period options like throttle.
+# Track requests from a special user agent.
 Rack::Attack.track("special_agent") do |req|
   req.user_agent == "SpecialAgent"
 end
 
+# Supports optional limit and period, triggers the notification only when the limit is reached.
+Rack::Attack.track("special_agent", :limit 6, :period => 60.seconds) do |req|
+  req.user_agent == "SpecialAgent"
+end
+
 # Track it using ActiveSupport::Notification
 ActiveSupport::Notifications.subscribe("rack.attack") do |name, start, finish, request_id, req|
   if req.env['rack.attack.matched'] == "special_agent" && req.env['rack.attack.match_type'] == :track