diff --git a/data/api/v2/full_spec.yaml b/data/api/v2/full_spec.yaml
index 306ca0d990c..a9a51a73b7b 100644
--- a/data/api/v2/full_spec.yaml
+++ b/data/api/v2/full_spec.yaml
@@ -136221,9 +136221,9 @@ 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/data/api/v2/translate_actions.json b/data/api/v2/translate_actions.json
index db47d9f215a..a0a3829c215 100644
--- a/data/api/v2/translate_actions.json
+++ b/data/api/v2/translate_actions.json
@@ -3080,7 +3080,7 @@
     "request_schema_description": "Request object that includes the metric that you would like to configure tags for."
   },
   "ListVolumesByMetricName": {
-    "description": "View hourly average metric volumes for the given metric name over the look back period.\n\nCustom metrics generated in-app from other products will return `null` for ingested volumes.",
+    "description": "View hourly average cardinality for the given metric name over the look back period.\nFor Metric Name Pricing customers, view total point volume for the given metric name\nover the look back period.",
     "summary": "List distinct metric volumes by metric name"
   },
   "GetModelLabArtifactContent": {