diff --git a/api/client-server/cas_login_ticket.yaml b/api/client-server/cas_login_ticket.yaml
index 1b1a5f66..a08565a0 100644
--- a/api/client-server/cas_login_ticket.yaml
+++ b/api/client-server/cas_login_ticket.yaml
@@ -39,7 +39,7 @@ paths:
 
         If validation is unsuccessful, the server should respond with a ``401
         Unauthorized`` error, the body of which will be displayed to the user.
-      operationid: loginByCASTicket
+      operationId: loginByCASTicket
       parameters:
         - in: query
           type: string
diff --git a/api/client-server/content-repo.yaml b/api/client-server/content-repo.yaml
index c9eac444..e9fab258 100644
--- a/api/client-server/content-repo.yaml
+++ b/api/client-server/content-repo.yaml
@@ -26,7 +26,7 @@ paths:
   "/upload":
     post:
       summary: Upload some content to the content repository.
-      operationid: uploadContent
+      operationId: uploadContent
       produces: ["application/json"]
       parameters:
         - in: header