diff --git a/etcdctl/README.md b/etcdctl/README.md
index 541fba817..d6323b5cc 100644
--- a/etcdctl/README.md
+++ b/etcdctl/README.md
@@ -135,6 +135,8 @@ Removes the specified key or range of keys [key, range_end) if `range-end` is gi
 
 - prefix -- delete keys by matching prefix
 
+- prev-kv -- return deleted key-value pairs
+
 TODO: --from
 
 #### Return value