diff --git a/README.md b/README.md
index 5e1442e..4155bcf 100644
--- a/README.md
+++ b/README.md
@@ -237,6 +237,7 @@ Work is in progress...
 ### 0.9.533
 - fixed compilation error for esp32 core version lower than 3.0.0
 - fixed error setting display brightness to 1
+- fixed error setting IR tolerance value (upload a new file `options.html.gz` via WEB Board Uploader and press Ctrl+F5 on the settings page)
 
 ### 0.9.530
 - optimization of webserver/socket code in netserver.cpp, part#1
diff --git a/yoRadio/data/www/options.html.gz b/yoRadio/data/www/options.html.gz
index 1cba12c..fabd443 100644
Binary files a/yoRadio/data/www/options.html.gz and b/yoRadio/data/www/options.html.gz differ