diff --git a/mysql-test/main/opt_trace.result b/mysql-test/main/opt_trace.result
index 1fd22e5224307..f43290651f9a1 100644
--- a/mysql-test/main/opt_trace.result
+++ b/mysql-test/main/opt_trace.result
@@ -8292,4 +8292,5 @@ JSON_DETAILED(JSON_EXTRACT(trace, '$**.range_scan_alternatives'))
     ]
 ]
 drop table t1;
+# End of 10.4 tests
 set optimizer_trace='enabled=off';
diff --git a/mysql-test/main/opt_trace.test b/mysql-test/main/opt_trace.test
index 09b3de778486f..712c58dd2d3f3 100644
--- a/mysql-test/main/opt_trace.test
+++ b/mysql-test/main/opt_trace.test
@@ -579,4 +579,6 @@ select * from t1 force index(kp1) where (kp1=2 and kp2 >=4);
 select JSON_DETAILED(JSON_EXTRACT(trace, '$**.range_scan_alternatives')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
 drop table t1;
 
+--echo # End of 10.4 tests
+
 set optimizer_trace='enabled=off';