diff --git a/README.md b/README.md
index 953e983..cbf22d2 100644
--- a/README.md
+++ b/README.md
@@ -314,9 +314,12 @@
 
 ## Updating tzdata
 
-This is handled by the libcore team, because they own icu, and that needs to be
-updated in sync with bionic). See
-[system/timezone/README.android](https://android.googlesource.com/platform/system/timezone/+/main/README.android).
+Tzdata updates are now handled by the libcore team because it needs to be
+updated in sync with icu's copy of the data, and they own that.
+
+See
+[system/timezone/README.android](https://android.googlesource.com/platform/system/timezone/+/main/README.android)
+for more information.
 
 
 ## Verifying changes