diff --git a/src/base/HISTORY.md b/src/base/HISTORY.md
index ba14bb80583..819265028ff 100644
--- a/src/base/HISTORY.md
+++ b/src/base/HISTORY.md
@@ -7,9 +7,6 @@ Base Change History
 * BaseObservable now bypasses the event sub-system if there are no listeners for
   the `init` event, during construction, to optimize performance.
 
-3.10.3
-------
-
 * Base and BaseCore now add all ATTRS definitions, across the hierarchy,
   in a single shot. Prior to this change, they used to be added a class
   at a time.
@@ -36,6 +33,11 @@ Base Change History
   See the Base and BaseCore API docs and the base-core unit tests for more 
   details.
 
+3.10.3
+------
+
+* No changes.
+
 3.10.2
 ------