diff --git a/custom-metadata-provider-specification.yaml b/custom-metadata-provider-specification.yaml
index a0ec172ae..71cbba23a 100644
--- a/custom-metadata-provider-specification.yaml
+++ b/custom-metadata-provider-specification.yaml
@@ -127,7 +127,7 @@ components:
         duration:
           type: integer
           format: int64
-          description: Duration in minutes
+          description: Duration in seconds
 
     SeriesMetadata:
       type: object