diff --git a/CHANGELOG b/CHANGELOG
index 9511a7433..cfbf81b94 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -3,6 +3,7 @@
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 - merge changes up to 5.1.20
 - create download file for transmittal in system tmp (Closes: #478)
+- sync source code of checkin with update document
 
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                      Changes in version 6.0.12