diff --git a/api/application-service/application_service.yaml b/api/application-service/application_service.yaml
index b459e29f..138c75bd 100644
--- a/api/application-service/application_service.yaml
+++ b/api/application-service/application_service.yaml
@@ -270,7 +270,7 @@ paths:
           required: true
           x-example: irc
         - in: query
-          name: field1, field2...
+          name: fields...
           type: string
           description: |-
             One or more custom fields that are passed to the application
@@ -321,7 +321,7 @@ paths:
           required: true
           x-example: irc
         - in: query
-          name: field1, field2...
+          name: field...
           type: string
           description: |-
             One or more custom fields that are passed to the application
diff --git a/api/client-server/third_party_lookup.yaml b/api/client-server/third_party_lookup.yaml
index 55d4c70a..226eec21 100644
--- a/api/client-server/third_party_lookup.yaml
+++ b/api/client-server/third_party_lookup.yaml
@@ -122,7 +122,7 @@ paths:
           required: true
           x-example: irc
         - in: query
-          name: field1, field2...
+          name: fields...
           type: string
           description: |-
             One or more custom fields that are passed to the AS to help identify the user.