diff --git a/docs/_partials/ruby/configuration.mdx b/docs/_partials/ruby/configuration.mdx
index ab8abead43..02db16c409 100644
--- a/docs/_partials/ruby/configuration.mdx
+++ b/docs/_partials/ruby/configuration.mdx
@@ -5,6 +5,7 @@ The following example shows how to set up your configuration object:
 ```ruby
 Clerk.configure do |c|
   c.secret_key = `{{secret}}` # if omitted: ENV["CLERK_SECRET_KEY"] - API calls will fail if unset
+  c.publishable_key = `{{pub_key}}` # if omitted: ENV["CLERK_SECRET_KEY"] - API calls will fail if unset
   c.logger = Logger.new(STDOUT) # if omitted, no logging
 end
 ```