Update linear-retriever.md

Author: mridula-s109

docs/reference/elasticsearch/rest-apis/retrievers/linear-retriever.md

@@ -28,7 +28,7 @@ Combining `query` and `retrievers` is not supported.
     Fields can include boost values using the `^` notation (e.g., `"field^2"`).
     If not specified, uses the index's default fields from the `index.query.default_field` index setting, which is `*` by default.
 
-`normalizer` {applies_to}`stack: ga 9.2`
+`normalizer` {applies_to}`stack: ga 9.1`
 :   (Optional, String)
 
     The top-level normalizer to use when combining results.
@@ -37,6 +37,7 @@ Combining `query` and `retrievers` is not supported.
 
     When used with the [multi-field query format](../retrievers.md#multi-field-query-format) (`query` parameter), normalizes scores per [field grouping](../retrievers.md#multi-field-field-grouping).
     Otherwise serves as the default normalizer for any sub-retriever that doesn't specify its own normalizer. Per-retriever normalizers always take precedence over the top-level normalizer.
+    {applies_to}`stack: ga 9.2`
 
     ::::{warning}
     Avoid using `none` as that will disable normalization and may bias the result set towards lexical matches.