diff --git a/sentry-ruby/README.md b/sentry-ruby/README.md
index d3212fc5e..d40259b92 100644
--- a/sentry-ruby/README.md
+++ b/sentry-ruby/README.md
@@ -59,6 +59,8 @@ gem "sentry-opentelemetry"
 
 You need to use Sentry.init to initialize and configure your SDK:
 ```ruby
+require "sentry-ruby"
+
 Sentry.init do |config|
   config.dsn = "MY_DSN"
 end