diff --git a/lib/fluent/plugin/in_sample.rb b/lib/fluent/plugin/in_sample.rb
index 2f9034c601..3ebdc3a46d 100644
--- a/lib/fluent/plugin/in_sample.rb
+++ b/lib/fluent/plugin/in_sample.rb
@@ -39,7 +39,7 @@ class SampleInput < Input
     config_param :auto_increment_key, :string, default: nil
     desc "The boolean to suspend-and-resume incremental value after restart"
     config_param :suspend, :bool, default: false,deprecated: 'This parameters is ignored'
-    desc "The boolean to control how to generate a record. You can enable it if filter does not do destructive change"
+    desc "Reuse the sample data to reduce the load when sending large amounts of data. You can enable it if filter does not do destructive change"
     config_param :reuse_record, :bool, default: false
     desc "The sample data to be generated. An array of JSON hashes or a single JSON hash."
     config_param :sample, alias: :dummy, default: [{"message" => "sample"}] do |val|