diff --git a/view/molistar/activity/exp/images/rule1_en.png b/view/molistar/activity/exp/images/rule1_en.png
index 3504adcf..99af9b2c 100644
Binary files a/view/molistar/activity/exp/images/rule1_en.png and b/view/molistar/activity/exp/images/rule1_en.png differ