diff --git a/docs/source/whatsnew/0.8.4.txt b/docs/source/whatsnew/0.8.4.txt
index 6acb0c89..fb053b13 100644
--- a/docs/source/whatsnew/0.8.4.txt
+++ b/docs/source/whatsnew/0.8.4.txt
@@ -46,7 +46,8 @@ then directs `lookup_symbol` to these dictionaries to find matching equities
 Maintenance and Refactorings
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-None
+* Asset databases now contain version information to ensure compatibility
+  with current Zipline version (:issue:`815`).
 
 Build
 ~~~~~