diff --git a/docs/reference/index-modules.asciidoc b/docs/reference/index-modules.asciidoc
index 9f1999d6acf..ed91307e2c9 100644
--- a/docs/reference/index-modules.asciidoc
+++ b/docs/reference/index-modules.asciidoc
@@ -120,7 +120,7 @@ specific index module:
 
 `index.max_rescore_window`::
 
-    The maximum value of `window_size` for `rescore`s in searches of this index.
+    The maximum value of `window_size` for `rescore` requests in searches of this index.
     Defaults to `index.max_result_window` which defaults to `10000`. Search
     requests take heap memory and time proportional to
     `max(window_size, from + size)` and this limits that memory.