diff --git a/doc/articles/race_detector.html b/doc/articles/race_detector.html
index 2f18acfbfb..1c449da5c0 100644
--- a/doc/articles/race_detector.html
+++ b/doc/articles/race_detector.html
@@ -133,6 +133,11 @@ cost of increased memory usage.
 <code>halt_on_error</code> (default <code>0</code>): Controls whether the program
 exits after reporting first data race.
 </li>
+
+<li>
+<code>atexit_sleep_ms</code> (default <code>1000</code>): Amount of milliseconds
+to sleep in the main goroutine before exiting.
+</li>
 </ul>
 
 <p>