diff --git a/lib/opentelemetry_absinthe.ex b/lib/opentelemetry_absinthe.ex
index 69603f3..2ae3f56 100644
--- a/lib/opentelemetry_absinthe.ex
+++ b/lib/opentelemetry_absinthe.ex
@@ -73,6 +73,7 @@ defmodule OpentelemetryAbsinthe do
     * `trace_response_result`(default: #{Keyword.fetch!(@config, :trace_response_result)}): attaches the result returned by the server as an attribute
     * `trace_response_errors`(default: #{Keyword.fetch!(@config, :trace_response_errors)}): attaches the errors returned by the server as an attribute
     * `trace_subscriptions`(default: #{Keyword.fetch!(@config, :trace_subscriptions)}): attaches to `[:absinthe, :subscription, :publish]` (`:start` and `:stop`)
+    * `metadata_plugins`(default: #{Keyword.fetch!(@config, :metadata_plugins)}): supports callbacks to integrators to add entries to the published event's metadata.
 
   ## Telemetry