diff --git a/api/application-service/application_service.yaml b/api/application-service/application_service.yaml
index 8c49043e..4951a29f 100644
--- a/api/application-service/application_service.yaml
+++ b/api/application-service/application_service.yaml
@@ -550,7 +550,7 @@ paths:
       description: |-
         Retreive an array of third party users from a Matrix ID.
       operationId: queryUserByID
-      paramters:
+      parameters:
         - in: query 
           name: userid
           type: string
diff --git a/api/client-server/third_party_lookup.yaml b/api/client-server/third_party_lookup.yaml
index 0cc18ecd..343cf2b7 100644
--- a/api/client-server/third_party_lookup.yaml
+++ b/api/client-server/third_party_lookup.yaml
@@ -305,7 +305,7 @@ paths:
       description: |-
         Retreive an array of third party users from a Matrix ID.
       operationId: queryUserByID
-      paramters:
+      parameters:
         - in: path
           name: userid
           type: string