diff --git a/docs/checksum_newapp.md b/docs/checksum_newapp.md
index 553d891..e7f3308 100644
--- a/docs/checksum_newapp.md
+++ b/docs/checksum_newapp.md
@@ -4,7 +4,7 @@
 
 in first day of v6.5.15+ released, there is no such checksum, it still the same as before, only until 4 days since release, there is toggle in backend that enable the check, remain unaffected for older base
 
-same as v6.4.63+, in first day nothing happens, no checksum, but after 9 days, checksum appears.
+same as v6.4.63+, in first day nothing happens, no checksum, but after 11 days, checksum appears.
 
 if one of these is modified (even one bit) will trigger checksum fail that refuse to accept login from
 
@@ -40,4 +40,4 @@ mb.apk/assets/media_init_data
 mb.apk/assets/flutter_assets/assets/fonts/*
 mb.apk/assets/flutter_assets/fonts/*
 mb.apk/assets/flutter_assets/FontManifest.json
-```
\ No newline at end of file
+```