diff --git a/CHANGELOG.md b/CHANGELOG.md
index c4637b23..d385023f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 All notable changes to Time Tracker will be documented in this file.
 
+Release time refers to the time when the installation package is submitted to the webstore. It is about one week for Edge to moderate packages, while only 1-2 days for Chrome and Firefox.
+
 ## [v1.9.3] - 2023-08-02
 
 - Supported downloading and clearing synced data.