diff --git a/README.md b/README.md
index 75e19231..d97dee07 100644
--- a/README.md
+++ b/README.md
@@ -933,7 +933,7 @@ Active Job can be configured to retry an infinite number of times, with a polyno
 
 ```ruby
 class ApplicationJob < ActiveJob::Base
-  retry_on StandardError, wait: :exponentially_longer, attempts: Float::INFINITY
+  retry_on StandardError, wait: :polynomially_longer, attempts: Float::INFINITY
   # ...
 end
 ```
@@ -953,7 +953,7 @@ When using `retry_on` with an infinite number of retries, exceptions will never
 
 ```ruby
 class ApplicationJob < ActiveJob::Base
-  retry_on StandardError, wait: :exponentially_longer, attempts: Float::INFINITY
+  retry_on StandardError, wait: :polynomially_longer, attempts: Float::INFINITY
 
   retry_on SpecialError, attempts: 5 do |_job, exception|
     Rails.error.report(exception)
@@ -979,7 +979,7 @@ You can use an initializer to configure `ActionMailer::MailDeliveryJob`, for exa
 
 ```ruby
 # config/initializers/good_job.rb
-ActionMailer::MailDeliveryJob.retry_on StandardError, wait: :exponentially_longer, attempts: Float::INFINITY
+ActionMailer::MailDeliveryJob.retry_on StandardError, wait: :polynomially_longer, attempts: Float::INFINITY
 
 # With Sentry (or Bugsnag, Airbrake, Honeybadger, etc.)
 ActionMailer::MailDeliveryJob.around_perform do |_job, block|