diff --git a/HISTORY.rst b/HISTORY.rst
index 57fa9afa90..dda5d8df10 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -6,6 +6,7 @@
 - Move metadata form value validation to .clean() and update field data may not be available yet when validatng the value field. Only validate form value if form has a metadata type associated.
 - Only extract validation error messages from ValidationError exception instances.
 - Don't store empty metadata value if the update checkbox is not checked.
+- Add 2 second delay to document version tests to workaround MySQL not storing the millisecond part of the document version's timestamp.
 
 2.0.1 (2016-01-22)
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