diff --git a/_search-plugins/knn/disk-based-vector-search.md b/_search-plugins/knn/disk-based-vector-search.md
index 790dda11b1..82da30a0ac 100644
--- a/_search-plugins/knn/disk-based-vector-search.md
+++ b/_search-plugins/knn/disk-based-vector-search.md
@@ -146,7 +146,7 @@ GET my-vector-index/_search
       "my_vector_field": {
         "vector": [1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5],
         "k": 5,
-        "method_params": {
+        "method_parameters": {
             "ef_search": 512
         },
         "rescore": {
diff --git a/_search-plugins/knn/knn-vector-quantization.md b/_search-plugins/knn/knn-vector-quantization.md
index 508f9e6535..a911dc91c9 100644
--- a/_search-plugins/knn/knn-vector-quantization.md
+++ b/_search-plugins/knn/knn-vector-quantization.md
@@ -436,7 +436,7 @@ GET my-vector-index/_search
       "my_vector_field": {
         "vector": [1.5, 5.5, 1.5, 5.5, 1.5, 5.5, 1.5, 5.5],
         "k": 10,
-        "method_params": {
+        "method_parameters": {
             "ef_search": 10
         },
         "rescore": {