diff --git a/CHANGELOG.md b/CHANGELOG.md
index db45ccf102be6..7c51133178064 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@
   - add `isSafeToShutDown()` - replaces `canUnload()`.
   - add `setSafeToShutDown()` - ensures that next close event will not be prevented.
   - add `reload()` - to allow different handling in Electron and browser.
+- [terminal] removed deprecated `activateTerminal` method. Use `open` instead. [#10529](https://github.com/eclipse-theia/theia/pull/10529)
 
 ## v1.20.0 - 11/25/2021