diff --git a/docs/en/guides/sre/keeper/index.md b/docs/en/guides/sre/keeper/index.md
index 00fd7d60706..dbbc903073d 100644
--- a/docs/en/guides/sre/keeper/index.md
+++ b/docs/en/guides/sre/keeper/index.md
@@ -41,6 +41,8 @@ ClickHouse Keeper can be used as a standalone replacement for ZooKeeper or as an
 - `snapshot_storage_path` — Path to coordination snapshots.
 - `enable_reconfiguration` — Enable dynamic cluster reconfiguration via [`reconfig`](#reconfiguration).
  `False` by default.
+- `max_memory_usage_soft_limit` — Soft limit in bytes of keeper max memory usage. Default value is `max_memory_usage_soft_limit_ratio` * `physical_memory_amount`.
+- `max_memory_usage_soft_limit_ratio` — If `max_memory_usage_soft_limit` is not set or set to zero, we use this value to define the default soft limit. The default value is 0.9.
 
 Other common parameters are inherited from the ClickHouse server config (`listen_host`, `logger`, and so on).