diff --git a/service/README.md b/service/README.md
index b246964..272cd51 100644
--- a/service/README.md
+++ b/service/README.md
@@ -196,6 +196,8 @@ The Measure Repository Service Authoring Repository Service server supports the
 And takes the following optional parameters:
 
 - approvalDate
+- artifactAssessmentType (must be included with artifactAssessmentSummary if provided)
+- artifactAssessmentSummary (must be included with artifactAssessmentType if provided)
 
 ## License