diff --git a/readme.txt b/readme.txt
index b9f8959..01d5f26 100644
--- a/readme.txt
+++ b/readme.txt
@@ -40,7 +40,7 @@ STS_O7 For Occupancy sensors
 2024-05-12  good for STS-O2 with 2 reed switches (hall-read-1 for door-contact,  hall-read-2 for SOS-emergency button) and rss motion sensor
 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
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