diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab125964..66b8bae4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@
 8.0.0 / 2021-09-15
 ==================
 
-  * Remove generated typescript definitions (#386)
+  * Remove generated typescript definitions. If you use this package with TypeScript, install `@types/sinonjs__fake-timers` after upgrading (#386)
   * Issue 390 implicit dependencies on faking interval (#391)
   * replace var with const/let (#392)
   * Retry - Add stack trace to code recursively scheduling timers #325  (#375)