diff --git a/.generator/schemas/v2/openapi.yaml b/.generator/schemas/v2/openapi.yaml
index a02697caa7..c85e32bedc 100644
--- a/.generator/schemas/v2/openapi.yaml
+++ b/.generator/schemas/v2/openapi.yaml
@@ -137855,9 +137855,9 @@ paths:
   /api/v2/metrics/{metric_name}/volumes:
     get:
       description: |-
-        View hourly average metric volumes for the given metric name over the look back period.
-
-        Custom metrics generated in-app from other products will return `null` for ingested volumes.
+        View hourly average cardinality for the given metric name over the look back period.
+        For Metric Name Pricing customers, view total point volume for the given metric name
+        over the look back period.
       operationId: ListVolumesByMetricName
       parameters:
         - $ref: "#/components/parameters/MetricName"
diff --git a/src/datadog_api_client/v2/api/metrics_api.py b/src/datadog_api_client/v2/api/metrics_api.py
index a5571f25db..b66ab4503f 100644
--- a/src/datadog_api_client/v2/api/metrics_api.py
+++ b/src/datadog_api_client/v2/api/metrics_api.py
@@ -1022,9 +1022,9 @@ def list_volumes_by_metric_name(
     ) -> MetricVolumesResponse:
         """List distinct metric volumes by metric name.
 
-        View hourly average metric volumes for the given metric name over the look back period.
-
-        Custom metrics generated in-app from other products will return ``null`` for ingested volumes.
+        View hourly average cardinality for the given metric name over the look back period.
+        For Metric Name Pricing customers, view total point volume for the given metric name
+        over the look back period.
 
         :param metric_name: The name of the metric.
         :type metric_name: str