diff --git a/_search-plugins/caching/request-cache.md b/_search-plugins/caching/request-cache.md
index 124152300b..49d5e8cd82 100644
--- a/_search-plugins/caching/request-cache.md
+++ b/_search-plugins/caching/request-cache.md
@@ -28,6 +28,7 @@ Setting | Data type  | Default | Level | Static/Dynamic | Description
 `indices.cache.cleanup_interval` | Time unit  | `1m` (1 minute)  | Cluster | Static | Schedules a recurring background task that cleans up expired entries from the cache at the specified interval. 
 `indices.requests.cache.size` | Percentage | `1%`      | Cluster | Static | The cache size as a percentage of the heap size (for example, to use 1% of the heap, specify `1%`). 
 `index.requests.cache.enable` | Boolean    | `true`    | Index | Dynamic | Enables or disables the request cache. 
+`indices.requests.cache.maximum_cacheable_size` | Integer    | `0`    | Cluster | Dynamic | Sets the maximum `size` of queries to be added to the request cache.
 
 ### Example