diff --git a/README.md b/README.md
index 150880e..83efde9 100644
--- a/README.md
+++ b/README.md
@@ -80,7 +80,7 @@ and then add an initializer in your Rails project:
     # config/initializers/instrumentation.rb
     
     # Subscribe to grape request and log with Rails.logger
-    ActiveSupport::Notifications.subscribe('grape') do |name, starts, ends, notification_id, payload|
+    ActiveSupport::Notifications.subscribe('grape_key') do |name, starts, ends, notification_id, payload|
       Rails.logger.info payload
     end