diff --git a/specification/patient-care-aggregator-api-record-service.yaml b/specification/patient-care-aggregator-api-record-service.yaml
index 78df657..bb92327 100644
--- a/specification/patient-care-aggregator-api-record-service.yaml
+++ b/specification/patient-care-aggregator-api-record-service.yaml
@@ -27,7 +27,7 @@ info:
     meaning it is available for use in production but might be subject to breaking changes.
 
     ## Service level 
-    This API is a silver service, meaning it is operational 24 x 7 x 365 but only supported during working hours.
+    This API is a silver service, meaning it is operational 24 hours a day, 365 days a year but only supported during working hours.
 
     For more details, see [service levels](https://digital.nhs.uk/developer/guides-and-documentation/reference-guide#service-levels).