diff --git a/HISTORY.md b/HISTORY.md
index 912a15987..f18446b74 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -5,6 +5,9 @@
 * Added EventListener::OnExternalFileIngested which will be called when IngestExternalFile() add a file successfully.
 * BackupEngine::Open and BackupEngineReadOnly::Open now always return error statuses matching those of the backup Env.
 
+### Bug Fixes
+* Fix the bug that if 2PC is enabled, checkpoints may loss some recent transactions.
+
 ## 5.0.0 (11/17/2016)
 ### Public API Change
 * Options::max_bytes_for_level_multiplier is now a double along with all getters and setters.