diff --git a/CHANGELOG b/CHANGELOG
index 3b743b0754..2d2a60f066 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,9 @@
 devel
 -----
 
+* improve insertion time into non-unique secondary indexes with the RocksDB
+  engine
+
 * fixed possible segfault when using COLLECT with a LIMIT and an offset
 
 * fixed COLLECT forgetting top-level variables after 1000 rows