diff --git a/changelog.md b/changelog.md
index 8e50a291f3..b044150dc8 100644
--- a/changelog.md
+++ b/changelog.md
@@ -38,6 +38,7 @@
 
 * [1484](https://github.com/zeta-chain/node/issues/1484) - replaced hard-coded `MaxLookaheadNonce` with a default lookback factor
 * [2125](https://github.com/zeta-chain/node/pull/2125) - fix develop upgrade test
+* [2222](https://github.com/zeta-chain/node/pull/2222) - removed `maxHeightDiff` to let observer scan from Bitcoin height where it left off
 
 ### CI