1 files changed, 2 insertions, 0 deletions
diff --git a/CHANGES b/CHANGES
index e3aa5d7921..00f15a62a5 100644
--- a/CHANGES
+++ b/CHANGES
@@ -173,6 +173,8 @@ Tactics
 - The good bullet (-/+/*) is suggested sometimes when user gives a wrong one.
 - New tactic "enough", symmetric to "assert", but with subgoals
   swapped, as a more friendly replacement of "cut".
+- In destruct/induction, experimental modifier "!" prefixing the
+  hypothesis name to tell not erasing the hypothesis.
 
 Program