[DOCS] fixed typo

Closes #5272

docs/reference/query-dsl/queries/range-query.asciidoc

@@ -27,5 +27,5 @@ The `range` query accepts the following parameters:
 `gt`::  	Greater-than
 `lte`:: 	Less-than or equal to
 `lt`::  	Less-than
-`boost`:: 	Sets the bool value of the query, defaults to `1.0`
+`boost`:: 	Sets the boost value of the query, defaults to `1.0`