1 files changed, 3 insertions, 0 deletions
diff --git a/UPGRADE b/UPGRADE
index aae33904..51499d39 100644
--- a/UPGRADE
+++ b/UPGRADE
@@ -15,6 +15,9 @@ Upgrading from v3.1b
   for header, footer and items. If your existing code rely on the span tags,
   you may use 'Flow' layout and set RepeatColumns as 1.
 
+- Comment tag <!-- ... ---> (introduced in v3.1a) is changed to <!--- ... --->
+
+
 Upgrading from v3.1a
 ---------------------
 - The signature of TActiveRecord::finder() is changed. This affects