diff --git a/readme.txt b/readme.txt
index 01d5f26..a4aca0c 100644
--- a/readme.txt
+++ b/readme.txt
@@ -41,6 +41,7 @@ STS_O7 For Occupancy sensors
 2024-05-31  restart for O7 and O6
 2024-06-04  before application layer clock sync
 2024-06-06  before STS_FALL_DETECTION_MODE change
+2024-06-17  good for sensor 1 and sensor 2 start stop timer freezed for now
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