diff --git a/spec/doc_formatter_spec.rb b/spec/doc_formatter_spec.rb
index e59b516..e5909b1 100644
--- a/spec/doc_formatter_spec.rb
+++ b/spec/doc_formatter_spec.rb
@@ -1,3 +1,5 @@
+# This delay visualizes the effect of load time calculation.
+# https://github.com/serpapi/turbo_tests/pull/8#issue-583037321
 sleep 3
 
 RSpec.describe "Top-level context" do
@@ -10,4 +12,4 @@
       expect(false).not_to be_truthy
     end
   end
-end
\ No newline at end of file
+end