diff --git a/CHANGES b/CHANGES
index f7146039..93486855 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,7 @@
 MDBX
 	Add MDB_PREV_MULTIPLE
 	Add error MDB_PROBLEM, replace some MDB_CORRUPTED
+	Workarounds for glibc bugs: #21031 and 21032.
 
 LMDB 0.9.20 Release Engineering
 	Fix mdb_load with escaped plaintext (ITS#8558)