diff --git a/test/cpp/interop/reconnect_interop_client.cc b/test/cpp/interop/reconnect_interop_client.cc
index 1f6b352db17470a9910a4e96dc574849abbfe851..3ad733e11140ff6a8bbe0bb4da3a33afb7a4e687 100644
--- a/test/cpp/interop/reconnect_interop_client.cc
+++ b/test/cpp/interop/reconnect_interop_client.cc
@@ -30,7 +30,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
-
+// Test description at doc/connection-backoff-interop-test-description.md
 #include <memory>
 #include <sstream>