diff --git a/_api-reference/index-apis/put-mapping.md b/_api-reference/index-apis/put-mapping.md
index 47c47fa125..f7d9321d33 100644
--- a/_api-reference/index-apis/put-mapping.md
+++ b/_api-reference/index-apis/put-mapping.md
@@ -76,7 +76,6 @@ Parameter | Data type | Description
 allow_no_indices | Boolean | Whether to ignore wildcards that don’t match any indexes. Default is `true`.
 expand_wildcards | String | Expands wildcard expressions to different indexes. Combine multiple values with commas. Available values are `all` (match all indexes), `open` (match open indexes), `closed` (match closed indexes), `hidden` (match hidden indexes), and `none` (do not accept wildcard expressions), which must be used with `open`, `closed`, or both. Default is `open`.
 ignore_unavailable | Boolean | If true, OpenSearch does not include missing or closed indexes in the response.
-ignore_malformed | Boolean | Use this parameter with the `ip_range` data type to specify that OpenSearch should ignore malformed fields. If `true`, OpenSearch does not include entries that do not match the IP range specified in the index in the response. The default is `false`.
 cluster_manager_timeout | Time | How long to wait for a connection to the cluster manager node. Default is `30s`.
 timeout | Time | How long to wait for the response to return. Default is `30s`.
 write_index_only | Boolean | Whether OpenSearch should apply mapping updates only to the write index.