diff --git a/uppsrc/CtrlLib/srcdoc.tpp/Tutorial_en-us.tpp b/uppsrc/CtrlLib/srcdoc.tpp/Tutorial_en-us.tpp
index 69b8ab650..e35f7e38b 100644
--- a/uppsrc/CtrlLib/srcdoc.tpp/Tutorial_en-us.tpp
+++ b/uppsrc/CtrlLib/srcdoc.tpp/Tutorial_en-us.tpp
@@ -1847,8 +1847,7 @@ to update the random position of a rectangle.]&]
 [s0;l320;%- [C             ][*_C KillTimeCallback();]&]
 [s0;l320;%- [C             ]&]
 [s0;l320;%- [C             start`_stop`_btn][C@(0.0.255) .][C SetLabel(][C@3 `"Start!`"][C );]&]
-[s0;l320;%- [C             random`_rect`_ctrl][C@(0.0.255) .][C rect ][C@(0.0.255) `=][C  
-`{`};]&]
+[s0;l320;%- [C             random`_rect`_ctrl][C@(0.0.255) .][C rect.Clear();]&]
 [s0;l320;%- [C             random`_rect`_ctrl][C@(0.0.255) .][C Refresh();]&]
 [s0;l320;%- [C         `}]&]
 [s0;l320;%- [C     `}]&]